43239

🔭 CPT Code 43239 — Esophagogastroduodenoscopy, Flexible, Transoral; with Biopsy, Single or Multiple

Quick Reference

Global Period: 000 days | wRVU: 4.43 | Assistant Payable: ❌ No | Co-Surgeon: ❌ No | Category: Surgery – Digestive System | Setting: ASC / Hospital Outpatient / Office | Access Route: Transoral | Key Feature: Forceps biopsy — single or multiple specimens from esophagus, stomach, and/or duodenum

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📋 Official CPT Description

CPT 43239 — Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

This code describes a flexible transoral upper gastrointestinal endoscopy (EGD) — passed through the mouth → oropharynx → esophagus → stomach → duodenum — that includes forceps tissue biopsy of one or more mucosal sites from any combination of the three anatomical regions examined (esophagus, stomach, and/or duodenum), obtained as single or multiple specimens during the same endoscopic session. 43239 is the biopsy-inclusive companion code to 43235 (EGD diagnostic, no biopsy), and represents the most commonly performed upper GI endoscopic procedure in gastroenterology and general surgery practice in the United States.

The distinction between 43235 and 43239 rests entirely on whether forceps biopsy is performed:

• 43235 = EGD → NO forceps biopsy (diagnostic visualization ± brushing/washing)
• 43239 = EGD → WITH forceps biopsy (single or multiple specimens from any upper GI site)

Info

The code’s “single or multiple” language is explicit — one unit of 43239 covers all biopsy specimens obtained during one EGD session regardless of the number of sites or specimens obtained.

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🧠 Detailed Clinical Description

What Is an EGD with Biopsy?

Esophagogastroduodenoscopy with biopsy (43239) is the gold-standard minimally invasive procedure for direct visualization and tissue sampling of the upper gastrointestinal mucosa. The procedure combines:

1. Complete upper GI mucosal survey — systematic examination of the esophagus, gastroesophageal junction (GEJ), stomach (cardia, fundus, body, antrum, pylorus), and duodenum (bulb, second portion) with a flexible video endoscope
2. Targeted or systematic tissue biopsy — one or more forceps tissue specimens obtained from any abnormal or clinically indicated mucosal site(s)

Unlike transnasal esophagoscopy (43197, 43198) which is limited to the esophagus, 43239 provides access to the full upper GI tract — allowing simultaneous assessment and tissue sampling from esophagus, stomach, and proximal duodenum in a single procedure session.

Scope Technology

Scope Type	Outer Diameter	Working Channel	Clinical Use
Standard video gastroscope	8.6–9.9 mm	2.8 mm	Routine EGD with biopsy — most common
Therapeutic gastroscope	9.3–11.3 mm	3.2–3.7 mm	Large-channel for therapeutic work — biopsy excellent
Ultra-slim gastroscope	5.0–6.0 mm	2.0 mm	Transnasal → 43198; also transoral in pediatrics
Pediatric gastroscope	5.3–7.9 mm	2.0–2.4 mm	Pediatric upper GI — biopsy capable
Endoscope with cap	Standard + distal cap	2.8 mm	Improved mucosal visualization; retroflex biopsy

Anatomical Scope of 43239

Station	Anatomical Landmark	Distance from Incisors	Clinical Assessment
Hypopharynx	Posterior pharyngeal wall, piriform sinuses, UES	15–18 cm	UES patency; postcricoid lesions
Upper esophageal sphincter (UES)	Cricopharyngeus	~18 cm	Tone, Zenker’s diverticulum
Cervical esophagus	C5–T1	18–25 cm	Mucosal pattern, inlet patch, heterotopic gastric mucosa
Mid-esophagus	T1–T8	25–35 cm	Mucosa, vascular impressions, extrinsic compression
Distal esophagus	T8–T10	35–40 cm	Reflux changes, Barrett’s, stricture, rings (Schatzki)
Gastroesophageal junction (GEJ)	Z-line / squamocolumnar junction	~40 cm	Z-line level, hiatal hernia, cardia lesions
Gastric cardia	Cardia	—	Retroflexion view; cardia lesions
Gastric fundus	Dome of stomach	—	Varices, fundic gland polyps, rugae pattern
Gastric body	Corpus	—	Mucosal pattern, atrophy, ulcers
Gastric antrum	Distal stomach, prepyloric	—	Antral nodularity (H. pylori), ulcers, polyps
Pylorus	Pyloric sphincter	—	Patency, scarring, obstruction
Duodenal bulb (D1)	First portion duodenum	~50–55 cm	Ulcers, erosions, duodenitis
Second duodenum (D2)	Major ampulla of Vater	~55–65 cm	Ampullary lesions, villous pattern (celiac)

The Retroflexion Maneuver — Cardia and Fundus Assessment

During 43239, the endoscopist performs retroflexion (J-maneuver) — the scope tip is deflected 180° within the stomach to visualize the cardia and fundus from below. This is essential for:

• Visualizing the gastric cardia and lesser curve from the luminal side
• Detecting small hiatal hernias
• Identifying fundic polyps or cardia lesions invisible on standard forward view
• Assessing the GEJ from the gastric side (determining hiatal hernia extent)

Retroflexion is integral to 43239 and not separately billable.

”Single or Multiple” Biopsy — One Code Regardless of Specimen Count

Like 43198, 43239 includes all biopsy specimens obtained during a single EGD session:

Scenario	Specimens	Code
One biopsy of gastric antral nodule	1 specimen	43239 × 1
Four-quadrant Barrett’s biopsies (Seattle protocol)	8–16 specimens	43239 × 1
H. pylori biopsies — antrum × 2 + corpus × 2 + incisura × 1 (Updated Sydney System)	5 specimens	43239 × 1
Celiac workup — duodenal bulb × 2 + D2 × 4	6 specimens	43239 × 1
Biopsies from all three regions (esophagus, stomach, duodenum)	Multiple at multiple sites	43239 × 1

Never Bill Multiple Units of 43239

43239 × 2 or more units in one session is a NCCI violation — the “single or multiple” descriptor explicitly covers all biopsy specimens obtained during a single EGD, regardless of number, location within the upper GI tract, or number of specimen jars submitted to pathology. Multiple units will be denied and may trigger compliance review.

Biopsy Technique — Forceps Tissue Sampling

The biopsy during 43239 is performed with cup biopsy forceps introduced through the working channel:

Forceps Type	Cup Size	Use
Standard cup forceps	2.0–2.4 mm	Routine mucosal biopsy — most common
Large cup (jumbo) forceps	2.8–3.3 mm	Deep or large-specimen biopsy (therapeutic channel scope)
Spike (fenestrated) cup forceps	2.0–2.4 mm + central spike	Anchoring on smooth or hemorrhagic mucosa
Hot biopsy forceps	Standard cup + cautery	Simultaneous biopsy + cautery — largely replaced by cold snare
Radial jaw forceps	2.0–2.8 mm	Improved tissue yield for flat lesions

Biopsy steps:

1. Target mucosal site identified and photographed pre-biopsy
2. Forceps passed through working channel under direct vision
3. Cups opened and advanced perpendicular to mucosal surface
4. Cups closed with firm contact — mucosal core captured
5. Forceps withdrawn with gentle traction — tissue retrieval
6. Specimen transferred to labeled formalin jar
7. Biopsy site inspected for hemostasis
8. Steps repeated at additional sites as clinically indicated
9. All specimens labeled by site (location and distance from incisors)

Clinical Indications for 43239

43239 is indicated across the full spectrum of upper GI pathology requiring tissue diagnosis:

Clinical Indication	Biopsy Target Region	Histopathologic Goal
Barrett’s esophagus confirmation	Esophagus (GEJ area)	Intestinal metaplasia; goblet cells; dysplasia grade
Barrett’s esophagus surveillance	Esophagus — systematic sampling	Dysplasia detection; cancer surveillance
GERD evaluation / erosive esophagitis	Distal esophagus	Exclude Barrett’s, EoE, infectious esophagitis
Eosinophilic esophagitis (EoE)	Proximal + distal esophagus	Eosinophil count ≥15/HPF at two levels
Esophageal mass / nodule	Mass lesion	SCC, adenocarcinoma, GIST, carcinoid
Gastric ulcer evaluation	Ulcer margin × 4–8 biopsies	Exclude malignancy; H. pylori; confirm peptic
Helicobacter pylori diagnosis	Antrum + corpus (Updated Sydney)	Organism identification; CLO test; histology
Gastric atrophy / intestinal metaplasia	Antrum + corpus	OLGIM/OLGA staging; dysplasia; metaplasia grade
Gastric polyps	Polyp (targeted biopsy or removal)	Hyperplastic, fundic gland, adenomatous, malignant
Gastric mass / malignancy	Mass lesion	Adenocarcinoma, lymphoma, GIST, carcinoid
Celiac disease diagnosis	Duodenal bulb + D2 (≥4–6 biopsies)	Villous atrophy; crypt hyperplasia; Marsh grading
Celiac disease monitoring	Same as above	Response to gluten-free diet; villous recovery
Duodenal polyps / ampullary lesions	D1/D2 lesion	Adenoma, adenocarcinoma, carcinoid
Duodenal ulcer	Ulcer margin (when suspicious)	Exclude malignancy; Crohn’s disease
Refractory/chronic diarrhea	Duodenum + stomach	Giardia, Whipple’s disease, common variable immunodeficiency
Iron deficiency anemia (IDA)	Stomach + duodenum	Gastric atrophy, celiac disease, angioectasia, gastric cancer
Post-ablation Barrett’s surveillance	Neo-squamocolumnar junction	CE-IM confirmation; recurrence detection
Post-gastrectomy surveillance	Gastric remnant	Remnant gastritis, stump cancer
Chronic nausea/vomiting	Stomach + duodenum	Gastroparesis, gastritis, GIST
Candidal / viral esophagitis	Esophageal plaques/ulcers	Fungal hyphae; viral inclusions (CMV, HSV)
Lymphocytic/collagenous gastritis	Gastric body + antrum	Lymphocyte count; subepithelial collagen band
MALT lymphoma	Gastric body + antrum	H. pylori-associated MALT; lymphoma typing

Updated Sydney System — H. pylori Biopsy Protocol

The Updated Sydney System is the recommended biopsy protocol for H. pylori detection and gastritis assessment:

Site	Number of Biopsies	Specimen Jar
Antrum (2–3 cm from pylorus)	2 biopsies	Jar 1 — Antrum
Corpus (greater curve, 4 cm from angulus)	2 biopsies	Jar 2 — Corpus
Incisura angularis	1 biopsy	Jar 3 — Incisura

5 total biopsies → one unit of 43239

Celiac Disease Biopsy Protocol

Current guidelines recommend ≥4 biopsies from the second portion of the duodenum (D2) and ≥1–2 biopsies from the duodenal bulb (D1):

Site	Biopsies	Rationale
Duodenal bulb (D1)	1–2	Patchy involvement may affect only bulb; bulb biopsy increases sensitivity
Second duodenum (D2)	4+	Standard site; Marsh grading applied

6+ total biopsies → one unit of 43239

Sedation for 43239

Unlike transnasal esophagoscopy (43198), EGD typically requires sedation to suppress the gag reflex and allow complete examination:

Sedation Type	Clinical Context	Notes
Moderate conscious sedation (IV)	Most common for routine EGD	Midazolam + fentanyl (or meperidine); GI physician-administered
Propofol (deep sedation / MAC)	High-anxiety patients; prolonged procedures; complex EGD	CRNA or anesthesiologist administered; billed separately by anesthesia provider
General anesthesia (GA)	Pediatric patients; intolerant patients; complex combined procedures	GA provider billed separately
Topical pharyngeal anesthesia only	Selected cooperative patients; slim scope	Rare for standard transoral EGD

Moderate Sedation Billing — Included vs. Separate

When the endoscopist administers moderate sedation during 43239, the sedation is included in the procedure — do not separately bill moderate sedation codes (99152, 99153) when the same physician performs both the EGD and the sedation.

When a separate provider (CRNA, anesthesiologist) administers sedation or anesthesia, that provider bills separately under anesthesia codes — and the endoscopist still bills 43239 for the endoscopic service. This is the most common arrangement in ambulatory endoscopy suites.

Complete Surgical Steps for 43239

1. Pre-procedure preparation — NPO ≥6 hours for solids; ≥4 hours for clear liquids; informed consent; IV access; baseline vital signs; medication reconciliation (anticoagulants, antiplatelet agents)
2. Sedation administration — IV midazolam + opioid (moderate sedation) or MAC/GA provider
3. Patient positioning — Left lateral decubitus; bite block placement to protect scope
4. Scope introduction — Gastroscope passed transorally through bite block under direct vision; hypopharynx and UES negotiated; patient instructed to swallow
5. Esophageal examination — Systematic inspection from UES to GEJ; mucosal color, vascular pattern, lesions documented; Z-line position and hiatal hernia noted
6. Gastric examination — Scope advanced through GEJ into stomach; cardia, fundus, body, antrum, pylorus examined; retroflexion performed for cardia/fundus assessment
7. Pylorus negotiation — Scope passed through pylorus into duodenum
8. Duodenal examination — Bulb (D1) and second portion (D2) with major ampulla visualized; villous pattern, ulcers, lesions documented
9. Systematic withdrawal with biopsy — Scope withdrawn from duodenum through stomach to esophagus with targeted biopsy of all indicated sites; multiple specimen jars labeled by site
10. Biopsy at each target site — Forceps introduced, cups engaged, tissue retrieved, transferred to labeled formalin jar; sites: esophageal, gastric, and/or duodenal as clinically indicated
11. Hemostasis assessment — All biopsy sites inspected; minor oozing expected; significant bleeding treated
12. Final esophageal assessment — Distal esophagus re-examined on withdrawal; GEJ documented
13. Scope withdrawal — Complete removal; patient monitored through sedation recovery
14. Post-procedure documentation — Procedure report with measurements, endoscopic images, number/location of biopsies, findings; pathology requisition with clinical history and site designations
15. Patient discharge instructions — Diet, activity, medication resumption (anticoagulants per procedure risk and bleed risk), follow-up for pathology results; driving restriction (sedation recovery)

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💰 Reimbursement & RVU Profile

Component	Value
Work RVU (wRVU)	4.43 CMS MPFS 2025
Global Period	000 days
Assistant Surgeon Payable	❌ No (Indicator: 0)
Co-Surgeon Payable	❌ No
Team Surgery	❌ No
Facility RVU	✅ Yes
Non-Facility RVU	✅ Yes (rare office-based EGD — higher PE RVU)
Multiple Procedure Indicator	2 (standard reduction applies)
Bilateral Surgery Indicator	0

Facility vs. Non-Facility — 43239 Is Predominantly Facility-Based

Unlike 43197/43198 which are commonly office-based, 43239 is predominantly performed in ASC (POS 24) or hospital outpatient (POS 22) settings due to sedation requirements and equipment needs. Non-facility billing (POS 11) is rare and reserved for specialized office-based GI endoscopy suites with full monitoring capacity.

Setting	POS	Approx. Total Physician RVU
Hospital Outpatient	22	~5.20
ASC	24	~5.20
Office (non-facility)	11	~8.15 (higher PE)

The facility (ASC or hospital) separately bills for the facility component (HOPD APC or ASC payment) — the physician bills only the professional component (43239).

wRVU Comparison — Upper GI Endoscopy Family

Code	wRVU	Procedure
43235	~3.50	EGD, diagnostic (no biopsy)
43239	4.43	EGD with biopsy (this code)
43248	~4.22	EGD with dilation (balloon, wire-guided)
43249	~4.30	EGD with dilation up to 30 mm
43254	~7.55	EGD with endoscopic mucosal resection (EMR)
43255	~5.92	EGD with control of bleeding
43228	~6.18	Esophagoscopy with ablation (RFA)
43197	~1.26	Transnasal esophagoscopy, diagnostic
43198	~2.00	Transnasal esophagoscopy with biopsy

43239 is the highest-volume EGD code in the AMA fee schedule by units of service — the combination of high clinical demand and moderate wRVU makes it the economic backbone of endoscopy-based gastroenterology practice.

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✅ Included Services (Bundled into 43239)

The following are not separately reportable when performed as integral components of 43239:

• Complete flexible transoral EGD — examination of esophagus, stomach, and duodenum (D1 and D2)
• All scope maneuvers including retroflexion, pylorus negotiation, and duodenal intubation
• Laryngeal and hypopharyngeal visualization incidental to scope passage
• Moderate sedation when administered by the same endoscopist performing 43239
• Topical pharyngeal anesthesia (benzocaine or lidocaine spray)
• Routine photography and video documentation of all findings
• Specimen collection by brushing — when performed alongside forceps biopsy (bundled)
• Specimen collection by washing/lavage — when performed alongside forceps biopsy (bundled)
• All forceps biopsies — single or multiple specimens from any upper GI site (the defining service)
• Biopsy forceps introduction, deployment, retrieval, and specimen transfer
• Post-biopsy hemostasis assessment (routine — no active intervention)
• Rapid urease test (CLO test) performance at time of biopsy — specimen collection for CLO test is bundled; CLO test kit/reagent is a separately billable supply in some settings
• Retroflexion maneuver for cardia/fundus visualization
• Routine intraoperative fluoroscopy guidance (when used for standard scope navigation)
• Standard scope withdrawal with systematic mucosal re-examination
• Routine procedure report documentation
• Post-sedation monitoring (within global period — 000 days)
• Routine post-procedure patient instructions

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❌ Excludes / Separately Reportable Services

The following may be billed separately when clearly documented as distinct services:

Separate Service	Code
EGD, diagnostic only (no biopsy)	43235
EGD with control of bleeding	43255
EGD with endoscopic mucosal resection (EMR)	43254
EGD with polypectomy (hot biopsy / snare)	43250, 43251
EGD with ablation (RFA, cryotherapy, argon plasma)	43228 (esophagoscopy); 43257 (EGD)
EGD with dilation (balloon ≤30 mm)	43249
EGD with dilation (wire-guided)	43248
EGD with esophageal stent placement	43212
EGD with optical endomicroscopy	43252
EGD with endoscopic ultrasound (EUS)	43232, 43242
EGD with percutaneous gastrostomy (PEG)	43246
EGD with injection of submucosal substance	43236
EGD with foreign body removal	43247
EGD with band ligation of esophageal varices	43244
EGD with injection sclerosis of varices	43243
Colonoscopy (if performed same session — separately reportable)	45378–45398
Anesthesia/sedation by separate provider (CRNA, anesthesiologist)	Anesthesia codes — billed by anesthesia provider
Moderate sedation by separate observer physician	99152, 99153
Rapid urease test (CLO test) kit	Supply code per facility/payer policy
H. pylori breath test	83013, 83014
Pathology evaluation of biopsy specimens	Pathology codes — billed by pathologist
Cytopathology from brushing	88104 — billed by pathologist
Esophageal manometry	91010, 91013
Ambulatory pH / impedance monitoring	91034–91038
Small bowel endoscopy (enteroscopy)	44360–44380
ERCP (endoscopic retrograde cholangiopancreatography)	43260–43278
Transnasal esophagoscopy (when distinctly indicated and performed)	43197, 43198

EMR vs. Biopsy — The Most Clinically Important Distinction

Endoscopic mucosal resection (EMR) (43254) and polypectomy by snare (43251) are not separately reportable alongside 43239 for tissue obtained from the same lesion in the same session. The decision between codes depends on how the tissue was obtained:

• Cup forceps biopsy of a lesion (even multiple bites) → 43239
• Snare polypectomy of a discrete polyp → 43251 (not 43239)
• Endoscopic mucosal resection (submucosal injection + snare or cap resection of larger lesion) → 43254 (not 43239)

When both biopsy (43239) AND snare polypectomy (43251) are performed in the same EGD session at different sites, report both with modifier 59 on the lesser-valued code and verify NCCI edits. Document each procedure at its specific site and with its specific technique clearly.

43239 and 43235 — Never Bill Both

Never report 43235 (diagnostic EGD) alongside 43239 (EGD with biopsy) for the same session. 43239 fully encompasses and supersedes 43235 when biopsy is performed — 43235 is completely bundled into 43239. Billing both is a NCCI violation.

Colonoscopy Same Session — Both Separately Reportable

When EGD with biopsy (43239) and colonoscopy (e.g., 45378 or 45380) are performed in the same session by the same physician, both codes are separately reportable — they are distinct procedures at distinct anatomical sites (upper vs. lower GI tract). Append modifier 51 to the lesser-valued procedure. NCCI does not bundle EGD and colonoscopy — they are inherently separate services. Many payers apply a multiple procedure reduction (50% on the lesser procedure) under their payment policies.

CLO Test — Billing Nuance

The rapid urease test (CLO test — Campylobacter-like organism test) performed at the time of 43239 on a gastric biopsy specimen is subject to nuanced billing:

• The tissue collection (biopsy) for CLO testing is bundled into 43239
• The CLO test kit/reagent may be separately billable as a supply/laboratory service in some settings — follow payer-specific guidance and facility policies
• Separate laboratory testing for H. pylori (culture, histology, PCR) billed by the laboratory/pathologist — not by the endoscopist
• Breath testing (83013, 83014) performed at a different encounter is separately billable

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🔬 EGD Code Family — Detailed Comparison

Selecting the Correct EGD Code — Key Decision Points

Code	Procedure	wRVU	Key Indicator
43235	EGD; diagnostic	~3.50	No biopsy; visualization only; brushing/washing if performed
43239	EGD; with biopsy	4.43	Forceps tissue biopsy — single or multiple sites
43240	EGD; with transmural drainage of pseudocyst	~5.98	Pseudocyst drainage via EGD/EUS guidance
43241	EGD; with transendoscopic US-guided transmural injection	~5.98	Injection under EUS guidance
43242	EGD; with EUS-guided FNA/biopsy	~7.20	EUS-guided tissue sampling (needle aspiration)
43243	EGD; with injection sclerosis of esophageal varices	~5.12	Variceal injection sclerotherapy
43244	EGD; with band ligation of varices	~5.35	Variceal band ligation
43245	EGD; with dilation of gastric outlet for obstruction	~5.50	Pyloric/gastric outlet dilation
43246	EGD; with directed PEG tube placement	~5.00	Percutaneous endoscopic gastrostomy
43247	EGD; with removal of foreign body(ies)	~5.90	Foreign body retrieval — esophageal/gastric
43248	EGD; with insertion of guide wire and dilation	~4.22	Wire-guided esophageal dilation
43249	EGD; with dilation of esophagus up to 30 mm	~4.30	Balloon dilation ≤30 mm
43250	EGD; with removal by hot biopsy forceps	~4.60	Hot biopsy forceps polyp removal
43251	EGD; with removal by snare technique	~5.10	Snare polypectomy
43252	EGD; with optical endomicroscopy	~4.56	Confocal laser endomicroscopy
43254	EGD; with endoscopic mucosal resection (EMR)	~7.55	EMR — larger/sessile lesion resection
43255	EGD; with control of bleeding	~5.92	Active GI bleeding control (any method)
43257	EGD; with delivery of thermal energy to LES	~5.24	Stretta procedure — GERD treatment
43259	EGD; with EUS examination	~5.42	Endoscopic ultrasound of upper GI

The Critical 43239 vs. 43242 Distinction

Both codes involve tissue sampling during upper GI endoscopy, but differ fundamentally:

• 43239 = Forceps biopsy — mucosal surface sampling through standard working channel; for mucosal disease (Barrett’s, gastritis, EoE, gastric ulcer)
• 43242 = EUS-guided FNA/biopsy — ultrasound-guided needle aspiration into submucosal or extramural lesions (submucosal tumors, lymph nodes, pancreatic masses, cysts); requires echoendoscope with ultrasound capability

When a gastric mass is biopsied by forceps → 43239; when a submucosal gastric GIST or perigastric lymph node is sampled by EUS-guided needle → 43242. These are never interchangeable.

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🏷️ Applicable Modifiers

Modifier	Description	When to Use
-51	Multiple procedures	When 43239 is performed alongside another distinct procedure (e.g., colonoscopy 45378, polypectomy at a different site 43251); append to lesser-valued code
-59	Distinct procedural service	To unbundle a separately identifiable service at a distinct anatomical site in the same session — e.g., polypectomy 43251 at one site AND biopsy 43239 at a different site; verify NCCI
-22	Increased procedural complexity	Severe esophageal stricture requiring multiple scope passages; complex Barrett’s mapping with multiple biopsy protocols; prior gastric surgery with altered anatomy; Billroth II requiring enteroscopy-length scope; markedly increased procedure time; requires specific documentation and cover letter
-52	Reduced services	EGD initiated but only partial examination completed before biopsy could be obtained — e.g., scope could not pass esophageal stricture; duodenum not reached; describe extent of examination performed
-53	Discontinued procedure	Procedure terminated after initiation due to patient safety concern (vasovagal arrest, airway compromise, severe hemorrhage) before biopsy obtained
-73	Discontinued outpatient prior to anesthesia	ASC setting — procedure cancelled before anesthesia administered
-74	Discontinued outpatient after anesthesia	ASC — procedure stopped after anesthesia started but before completion
-76	Repeat procedure by same physician	Same 43239 repeated by same physician same day — e.g., repeat EGD with biopsy after initial specimen deemed inadequate
-77	Repeat procedure by different physician	43239 performed by different physician same day
-78	Return to OR for related procedure during global period	EGD with biopsy repeated in endoscopy suite for related indication within 0-day global (uncommon given 0-day global; may apply with concurrent surgical package)
-79	Unrelated procedure during postoperative period	43239 performed within global period of a concurrent unrelated surgical service
-33	Preventive service	When 43239 is performed as a preventive/screening service meeting specific criteria (rare for EGD — applies primarily to colonoscopy; verify applicability)
-GC	Teaching physician service	Resident performed the endoscopy under direct supervision
-GR	Rural health clinic	Service performed at a rural health clinic
-KX	Specific requirement met	Used in some Medicare Advantage plans to indicate medical necessity documentation on file

Modifier -22 — Strongest Justifications for 43239

The most defensible -22 scenarios include:

• Post-surgical anatomy — Billroth I or II gastrectomy requiring longer scope, altered angulation, and additional time for complete examination and biopsy
• Roux-en-Y anatomy (post-bariatric) — EGD is technically distinct in RYGB patients requiring enteroscope; dramatically increased procedural complexity
• Severe esophageal stricture — Multiple dilation passes required to gain access for complete EGD with biopsy; markedly prolonged procedure
• Markedly obese patient — Limited scope maneuverability; increased sedation requirements; prolonged procedure
• Uncooperative patient requiring additional sedation management — Document actual vs. expected procedure time and sedation complexity

Operative note must describe specific technical challenges encountered — not merely list the diagnosis. Include actual procedure time and comparison to typical procedure time for 43239.

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🩺 ICD-10-CM Diagnoses Commonly Paired with 43239

Barrett’s Esophagus

ICD-10-CM	Description	HCC?
K22.70	Barrett’s esophagus without dysplasia	❌
K22.710	Barrett’s esophagus with low-grade dysplasia	❌
K22.711	Barrett’s esophagus with high-grade dysplasia	❌
K22.719	Barrett’s esophagus with dysplasia, unspecified	❌

Barrett's Esophagus — Code to Confirmed Dysplasia Level

Always code Barrett’s to the highest confirmed level of dysplasia documented by histopathology from the current or most recent biopsy. Do not code dysplasia based on endoscopic impression alone.

• K22.70 — Confirmed non-dysplastic Barrett’s (intestinal metaplasia only; no dysplasia on pathology)
• K22.710 — Confirmed low-grade dysplasia on pathology
• K22.711 — Confirmed high-grade dysplasia — this finding triggers referral for ablative therapy (43228) or esophagectomy and EUS staging; critical HCC-adjacent documentation
• K22.719 — Dysplasia confirmed but grade not specified by pathologist — seek pathologist clarification before using this code

GERD and Esophagitis

ICD-10-CM	Description	HCC?
K21.00	GERD with esophagitis, without bleeding	❌
K21.01	GERD with esophagitis, with bleeding	❌
K21.9	GERD without esophagitis	❌
K20.0	Eosinophilic esophagitis	❌
K20.80	Other esophagitis without bleeding	❌
K20.81	Other esophagitis with bleeding	❌
K20.90	Esophagitis, unspecified, without bleeding	❌
K20.91	Esophagitis, unspecified, with bleeding	❌

EoE vs. GERD — Coding After Biopsy Confirmation

When 43239 is performed for refractory reflux esophagitis or suspected EoE, the final coding depends on pathology results:

• Eosinophils ≥15/HPF at proximal AND/OR distal esophagus on histology → K20.0 (EoE confirmed)
• Normal or eosinophils <15/HPF; erosive esophagitis pattern → K21.00 (GERD with esophagitis)
• Endoscopic esophagitis with normal histology → K21.9 (NERD) or discuss with physician

K20.0 is the specific EoE code — always use this over K20.90 when EoE is confirmed. EoE is the most common cause of food impaction and dysphagia in young adults and is frequently encountered in both pediatric and adult GI practice.

Gastric Ulcer

ICD-10-CM	Description	HCC?
K25.0	Gastric ulcer, acute with hemorrhage	❌
K25.1	Gastric ulcer, acute with perforation	❌
K25.2	Gastric ulcer, acute with both hemorrhage and perforation	❌
K25.3	Gastric ulcer, acute without hemorrhage or perforation	❌
K25.4	Gastric ulcer, chronic with hemorrhage	❌
K25.5	Gastric ulcer, chronic with perforation	❌
K25.6	Gastric ulcer, chronic with both hemorrhage and perforation	❌
K25.7	Gastric ulcer, chronic without hemorrhage or perforation	❌
K25.9	Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation	❌

Gastric Ulcer — Biopsy Is the Standard of Care

Every gastric ulcer identified on EGD should be biopsied (4–8 specimens from the ulcer margin and base) to exclude gastric malignancy — 43239 is required, not just 43235. The risk of gastric ulcer malignancy ranges from 3–5% in Western populations to significantly higher in high-risk populations (East Asian, H. pylori-positive, prior gastric surgery). Document:

• Location (body, antrum, prepyloric, lesser curve, greater curve)
• Size
• Endoscopic appearance (clean base, fibrin, visible vessel, clot)
• Number of biopsies from margin and base

Code the specific gastric ulcer code (K25.x) based on:

• Acute vs. chronic — acute = short history/first presentation; chronic = recurrent or prior documented ulcer
• Hemorrhage present? — active bleeding, adherent clot, visible vessel, hematin pigmentation = with hemorrhage
• Perforation present? — rare at endoscopy

Helicobacter pylori

ICD-10-CM	Description	HCC?
B96.81	Helicobacter pylori as the cause of diseases classified elsewhere	❌
K29.30	Chronic superficial gastritis without bleeding (H. pylori-associated)	❌
K29.40	Chronic atrophic gastritis without bleeding	❌
K29.50	Unspecified chronic gastritis without bleeding	❌
K29.60	Other gastritis without bleeding	❌

H. pylori Coding — Two-Code Sequence

Per ICD-10-CM guidelines, when H. pylori is confirmed as the cause of gastritis or peptic ulcer disease:

1. Code the manifestation first (e.g., K25.7 for gastric ulcer, K29.40 for chronic atrophic gastritis)
2. Code B96.81 (H. pylori as the cause) as an additional diagnosis

Example: Gastric ulcer with H. pylori confirmed on biopsy → K25.7 + B96.81

Gastric Malignancy

ICD-10-CM	Description	HCC?
C16.0	Malignant neoplasm of cardia	✅ HCC 11
C16.1	Malignant neoplasm of fundus of stomach	✅ HCC 11
C16.2	Malignant neoplasm of body of stomach	✅ HCC 11
C16.3	Malignant neoplasm of pyloric antrum	✅ HCC 11
C16.4	Malignant neoplasm of pylorus	✅ HCC 11
C16.5	Malignant neoplasm of lesser curvature of stomach	✅ HCC 11
C16.6	Malignant neoplasm of greater curvature of stomach	✅ HCC 11
C16.8	Malignant neoplasm of overlapping sites of stomach	✅ HCC 11
C16.9	Malignant neoplasm of stomach, unspecified	✅ HCC 11
Z85.028	Personal history of other malignant neoplasm of stomach	❌

Gastric Malignancy — HCC 11 Capture

All gastric malignancy codes (C16.x) carry HCC 11 — direct malignancy category with significant risk-adjustment weight in Medicare Advantage and value-based care. Use the most specific subsite code based on endoscopic documentation and pathology report. If the tumor crosses multiple subsites and the primary origin cannot be determined → C16.8 (overlapping sites). Code active malignancy at every encounter where it is documented and managed — personal history (Z85.028) is reserved for patients in complete remission.

Gastric Lymphoma

ICD-10-CM	Description	HCC?
C83.30	Diffuse large B-cell lymphoma, unspecified site	✅ HCC 10
C83.38	Diffuse large B-cell lymphoma, lymph nodes of multiple sites	✅ HCC 10
C88.40	Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma), unspecified site	✅ HCC 10
C88.41	Extranodal marginal zone B-cell lymphoma (MALT), lymph nodes of head, face, and neck	✅ HCC 10

MALT Lymphoma — H. pylori-Driven Gastric Lymphoma

MALT lymphoma (C88.40) of the stomach is the most common extranodal lymphoma and is strongly associated with H. pylori infection. First-line treatment is H. pylori eradication — which causes MALT regression in 70–80% of cases. EGD with biopsy (43239) is used for:

• Initial diagnosis (random biopsies from antrum, body, fundus + targeted biopsies of abnormal areas)
• Post-treatment surveillance
• Monitoring for transformation to DLBCL

When MALT lymphoma is confirmed on biopsy → C88.40 + B96.81 (if H. pylori confirmed as causative). MALT lymphoma carries HCC 10 — a high-tier malignancy HCC.

Esophageal Malignancy

ICD-10-CM	Description	HCC?
C15.3	Malignant neoplasm of upper third of esophagus	✅ HCC 11
C15.4	Malignant neoplasm of middle third of esophagus	✅ HCC 11
C15.5	Malignant neoplasm of lower third of esophagus	✅ HCC 11
C15.8	Malignant neoplasm of overlapping sites of esophagus	✅ HCC 11
C15.9	Malignant neoplasm of esophagus, unspecified	✅ HCC 11
D00.1	Carcinoma in situ of esophagus	❌
Z85.01	Personal history of malignant neoplasm of esophagus	❌

Duodenal and Small Bowel Disease

ICD-10-CM	Description	HCC?
K90.0	Celiac disease	❌
K26.0	Duodenal ulcer, acute with hemorrhage	❌
K26.3	Duodenal ulcer, acute without hemorrhage or perforation	❌
K26.7	Duodenal ulcer, chronic without hemorrhage or perforation	❌
K26.9	Duodenal ulcer, unspecified	❌
K29.80	Duodenitis without bleeding	❌
K29.81	Duodenitis with bleeding	❌
K57.30	Diverticulosis of large intestine without perforation or abscess without bleeding (rare — duodenal)	❌
K63.5	Polyp of colon (duodenal polyp → use K31.7)	❌
K31.7	Polyp of stomach and duodenum	❌

Celiac Disease — Duodenal Biopsy Protocol via 43239

Celiac disease (K90.0) requires duodenal biopsy for definitive diagnosis — serologic testing alone is insufficient. 43239 with systematic duodenal biopsy (≥4 from D2 + ≥1–2 from D1) is the standard diagnostic procedure. Key coding and clinical points:

• Code K90.0 only after histopathologic confirmation (Marsh grade ≥2 — partial to total villous atrophy)
• Use R10.9 (unspecified abdominal pain), K90.4 (malabsorption, unspecified), or symptom code at the time of biopsy procedure (pre-pathology result)
• After gluten-free diet, repeat 43239 with biopsy to confirm villous recovery (still coded K90.0 until resolution documented)
• IgA anti-tTG serology correlates with biopsy results — document both in the record

Gastric Polyps

ICD-10-CM	Description	HCC?
K31.7	Polyp of stomach and duodenum	❌
D13.1	Benign neoplasm of stomach	❌
D13.2	Benign neoplasm of duodenum	❌
D37.1	Neoplasm of uncertain behavior of stomach	❌

Gastric Polyp — Biopsy vs. Removal

When a gastric polyp is biopsied by cup forceps (≤2–4 mm polyp, sampling only) → 43239. When a polyp is removed by snare (polypectomy) → 43251 (not 43239). The technique determines the code. Document polyp size, morphology (Paris classification), and technique used for tissue acquisition.

Dysphagia and Symptoms

ICD-10-CM	Description	HCC?
R13.10	Dysphagia, unspecified	❌
R13.11	Dysphagia, oral phase	❌
R13.12	Dysphagia, oropharyngeal phase	❌
R13.13	Dysphagia, pharyngeal phase	❌
R13.14	Dysphagia, pharyngoesophageal phase	❌
R13.19	Other dysphagia	❌
R10.10	Upper abdominal pain, unspecified	❌
R10.13	Epigastric pain	❌
R11.0	Nausea	❌
R11.10	Vomiting, unspecified	❌
K92.0	Hematemesis	❌
K92.1	Melena	❌
K92.2	Gastrointestinal hemorrhage, unspecified	❌
R63.4	Abnormal weight loss	❌

Infectious and Inflammatory Esophageal Disease

ICD-10-CM	Description	HCC?
B37.81	Candidal esophagitis	❌
B00.89	Other herpesviral infection (HSV esophagitis)	❌
B25.89	Other cytomegaloviral diseases (CMV esophagitis)	❌
B20	HIV disease	✅ HCC 1
D84.9	Immunodeficiency, unspecified	✅ HCC 47
Z94.1	Heart transplant status	❌
Z79.899	Other long-term drug therapy (immunosuppressants)	❌

Gastric and GI Motility Disorders

ICD-10-CM	Description	HCC?
K31.84	Gastroparesis	❌
K31.89	Other diseases of stomach and duodenum	❌
K22.0	Achalasia of cardia	❌
K22.4	Dyskinesia of esophagus	❌
K22.5	Diverticulum of esophagus, acquired	❌

Iron Deficiency Anemia — Common 43239 Indication

ICD-10-CM	Description	HCC?
D50.0	Iron deficiency anemia secondary to blood loss (chronic)	❌
D50.8	Other iron deficiency anemias	❌
D50.9	Iron deficiency anemia, unspecified	❌

Iron Deficiency Anemia — EGD + Colonoscopy

D50.x (iron deficiency anemia) is one of the most common indications for both upper and lower GI endoscopy — EGD with biopsy (43239) AND colonoscopy are frequently performed in the same session to evaluate for upper and lower GI sources of occult blood loss. Both codes are separately reportable. Code the IDA as the principal indication, with any endoscopic findings (celiac disease K90.0, gastric atrophy K29.40, gastric cancer C16.x) as additional diagnoses when confirmed by biopsy.

Complicating Conditions — CC/MCC Capture

ICD-10-CM	Description	HCC?
A41.9	Sepsis, unspecified organism	✅ HCC 2
D62	Acute posthemorrhagic anemia	❌
E43	Unspecified severe protein-calorie malnutrition	✅ HCC 21
E44.0	Moderate protein-calorie malnutrition	✅ HCC 21
J96.00	Acute respiratory failure, unspecified	✅ HCC 84
E11.9	Type 2 diabetes mellitus without complications	✅ HCC 19
E66.01	Morbid (severe) obesity due to excess calories	❌
B20	HIV disease	✅ HCC 1
F10.20	Alcohol use disorder, moderate	❌
I10	Essential (primary) hypertension	❌
Z79.01	Long-term use of anticoagulants	❌

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🏨 MS-DRG Mapping

43239 — Predominantly Outpatient, But with Inpatient Applications

43239 is the highest-volume inpatient upper GI endoscopic procedure when performed during an acute admission for GI bleeding, esophageal malignancy evaluation, or other acute upper GI conditions. When performed inpatient, the ICD-10-PCS equivalent drives DRG assignment.

Esophageal / GI Malignancy DRGs

MS-DRG	Description	Approx. Relative Weight
374	Digestive Malignancy w/ MCC	~2.8–3.2
375	Digestive Malignancy w/ CC	~1.7–2.1
376	Digestive Malignancy w/o CC/MCC	~1.0–1.3

GI Hemorrhage DRGs (Major 43239 Inpatient Context)

MS-DRG	Description	Approx. Relative Weight
377	GI Hemorrhage w/ MCC	~3.0–3.5
378	GI Hemorrhage w/ CC	~1.8–2.2
379	GI Hemorrhage w/o CC/MCC	~1.0–1.3

Peptic Ulcer / Esophagitis DRGs

MS-DRG	Description	Approx. Relative Weight
391	Esophagitis, Gastroenteritis, and Misc. Digestive Disorders w/ MCC	~1.8–2.2
392	Esophagitis, Gastroenteritis, and Misc. Digestive Disorders w/o MCC	~1.0–1.3

Major GI / Digestive Procedure DRGs

MS-DRG	Description	Approx. Relative Weight
329	Major Small & Large Bowel Procedures w/ MCC	~5.8–6.5
330	Major Small & Large Bowel Procedures w/ CC	~3.2–3.8
331	Major Small & Large Bowel Procedures w/o CC/MCC	~2.0–2.4

DRG Optimization for 43239 Inpatient Cases

When 43239 is performed inpatient for GI bleeding or malignancy evaluation, the highest-yield DRG optimization opportunities include:

• Acute blood loss anemia (D62) — GI bleeding admissions with documented hemoglobin drop and transfusion requirement → D62 (CC); escalates to higher DRG tier; extremely common in GI hemorrhage admissions
• Sepsis (A41.9) — Inpatient EGD for bleeding in context of sepsis (e.g., H. pylori complicated by septic presentation) → MCC; dramatically escalates DRG weight
• Malnutrition (E43, E44.0) — GI malignancy and upper GI bleeding patients frequently have nutritional compromise → E43 (MCC) or E44.0 (CC); review albumin, weight loss, dietitian notes
• Active malignancy (C16.x) — When gastric biopsy confirms malignancy during inpatient stay → code confirmed active malignancy (HCC 11); POA = N (condition confirmed after admission); still coded per ICD-10-CM inpatient guidelines
• Alcohol use disorder (F10.20) — Common comorbidity in peptic ulcer / GI bleeding population; if documented and managed → CC
• Acute respiratory failure (J96.00) — Post-sedation respiratory compromise in patients with underlying pulmonary disease → MCC

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🌳 CPT Code Tree — Upper GI Endoscopy (EGD) Family

Upper GI Endoscopy (EGD) — 43235 Family (Esophagus + Stomach + Duodenum)
│
├── Diagnostic
│     ├── 43235 — EGD; diagnostic (no biopsy)
│     └── 43239 ← EGD; WITH BIOPSY — single or multiple (THIS CODE)
│
├── Tissue Sampling / Biopsy
│     ├── **43239** ← FORCEPS BIOPSY — mucosal surface (this code)
│     └── 43242 — EGD; with EUS-guided FNA/biopsy (submucosal/extramural — needle)
│
├── Mucosal Resection / Ablation
│     ├── 43250 — EGD; with removal by hot biopsy forceps (polypectomy)
│     ├── 43251 — EGD; with removal by snare technique (snare polypectomy)
│     ├── 43254 — EGD; with endoscopic mucosal resection (EMR)
│     ├── 43228 — Esophagoscopy; with ablation (RFA, cryotherapy, APC — esophagus)
│     └── 43257 — EGD; with delivery of thermal energy to LES (Stretta)
│
├── Dilation
│     ├── 43248 — EGD; with insertion of guide wire, then dilation
│     ├── 43249 — EGD; with dilation of esophagus ≤30 mm balloon
│     └── 43245 — EGD; with dilation of gastric outlet for obstruction
│
├── Hemostasis
│     └── 43255 — EGD; with control of bleeding (any method)
│
├── Variceal Management
│     ├── 43243 — EGD; with injection sclerosis of esophageal varices
│     └── 43244 — EGD; with band ligation of esophageal varices
│
├── Injection / Marking
│     ├── 43236 — EGD; with directed submucosal injection (epinephrine, India ink)
│     └── 43253 — EGD; with transendoscopic US-guided transmural injection
│
├── Foreign Body
│     └── 43247 — EGD; with removal of foreign body(ies)
│
├── Stent
│     ├── 43212 — Esophagoscopy; with stent placement
│     └── 43213 — Esophagoscopy; with removal of esophageal stent
│
├── Advanced Imaging
│     ├── 43252 — EGD; with optical endomicroscopy
│     └── 43259 — EGD; with endoscopic ultrasound examination (EUS)
│
├── Drainage
│     ├── 43240 — EGD; with transmural drainage of pseudocyst
│     └── 43241 — EGD; with transendoscopic US-guided transmural injection
│
├── Nutrition Access
│     └── 43246 — EGD; with directed placement of PEG tube
│
└── Fundoplication
      └── 43210 — EGD; with esophagogastric fundoplasty (transoral)

Transnasal Esophagoscopy — Related Family (Esophagus Only)
├── 43197 — Transnasal esophagoscopy; diagnostic
└── 43198 — Transnasal esophagoscopy; with biopsy

Rigid Transoral Esophagoscopy
├── 43191 — Rigid esophagoscopy; diagnostic
├── 43192 — Rigid esophagoscopy; with biopsy
└── 43193 — Rigid esophagoscopy; with brushing or washing

Colonoscopy (Separately Reportable from 43239)
├── 45378 — Colonoscopy; diagnostic
├── 45380 — Colonoscopy; with biopsy
└── 45381–45398 — Colonoscopy; various therapeutic

Esophageal Function Testing (Separately Reportable)
├── 91010 — Esophageal motility (manometry)
├── 91034 — Esophageal pH monitoring
└── 91038 — Prolonged esophageal pH monitoring

H. pylori Testing (Separately Reportable)
├── 83013 — H. pylori; breath test analysis (13C-urea)
└── 83014 — H. pylori; drug administration (breath test)

Pathology (Separately Billed by Pathologist from 43239 Specimens)
├── 88304 — Level III surgical pathology
├── 88305 — Level IV surgical pathology *(most common — esophageal/gastric/duodenal biopsies)*
├── 88307 — Level V surgical pathology *(malignancy with special stains)*
├── 88342 — Immunohistochemistry
└── 88104 — Cytopathology *(brushing — if performed)*

---

🗂️ ICD-10-PCS Context (Inpatient Coding)

Inpatient Coder Note (CIC Relevance)

In the inpatient acute care setting, 43239 is not assigned. All procedures are coded in ICD-10-PCS. EGD with biopsy maps to the Excision root operation in the Gastrointestinal System body system with the Diagnostic qualifier (X).

ICD-10-PCS Root Operation — Excision, Diagnostic

EGD with Biopsy — Esophagus (if esophageal biopsy):

Axis	Value
Section	0 – Medical & Surgical
Body System	D – Gastrointestinal System
Root Operation	B – Excision
Body Part	5 – Esophagus
Approach	8 – Via Natural or Artificial Opening Endoscopic
Device	Z – No Device
Qualifier	X – Diagnostic

EGD with Biopsy — Stomach (if gastric biopsy):

Axis	Value
Section	0 – Medical & Surgical
Body System	D – Gastrointestinal System
Root Operation	B – Excision
Body Part	6 – Stomach
Approach	8 – Via Natural or Artificial Opening Endoscopic
Device	Z – No Device
Qualifier	X – Diagnostic

EGD with Biopsy — Duodenum (if duodenal biopsy):

Axis	Value
Section	0 – Medical & Surgical
Body System	D – Gastrointestinal System
Root Operation	B – Excision
Body Part	9 – Duodenum
Approach	8 – Via Natural or Artificial Opening Endoscopic
Device	Z – No Device
Qualifier	X – Diagnostic

Multiple Body Parts — Multiple ICD-10-PCS Codes

Unlike CPT (where one unit of 43239 covers all biopsy sites), ICD-10-PCS assigns a separate code for each body part biopsied:

• Esophageal biopsy → Excision, Esophagus (body part 5), Endoscopic, X – Diagnostic
• Gastric biopsy → Excision, Stomach (body part 6), Endoscopic, X – Diagnostic
• Duodenal biopsy → Excision, Duodenum (body part 9), Endoscopic, X – Diagnostic

A comprehensive EGD with biopsies from all three regions generates three separate ICD-10-PCS codes — one per body part biopsied. This is the key difference between CPT (one code, all sites) and ICD-10-PCS (separate code per body part).

Per ICD-10-PCS Guideline B3.2a: when the same root operation is performed on different body parts → assign a code for each body part.

Inspection (J) — Is It Also Coded?

Per ICD-10-PCS Official Guideline B3.11b: if an Inspection is performed on a body part AND another procedure is performed on that same body part using the same approach, the Inspection is not separately coded. Therefore:

• EGD with biopsy (Excision) of the stomach → code Excision only (Inspection is not separately coded — it is inherent to the Excision procedure)
• EGD diagnostic only (no biopsy) → code Inspection (J)

The Excision (biopsy) code subsumes the Inspection (visualization) at the same body part and approach.

Complete ICD-10-PCS Code Set — EGD with Biopsy Examples

Scenario	ICD-10-PCS Codes
EGD with gastric biopsy only	Excision, Stomach, Endoscopic, X (1 code)
EGD with esophageal + gastric biopsy	Excision, Esophagus + Excision, Stomach (2 codes)
EGD with Barrett’s + celiac workup (esophageal + duodenal)	Excision, Esophagus + Excision, Duodenum (2 codes)
EGD with H. pylori biopsies (gastric) + Barrett’s (esophageal) + celiac (duodenal)	Excision, Esophagus + Excision, Stomach + Excision, Duodenum (3 codes)

---

📝 Coding Examples

Example 1 — EGD with Biopsy for Barrett’s Esophagus Surveillance (Standard Case)

Clinical Scenario: 64-year-old male with known non-dysplastic Barrett’s esophagus (2 cm segment, confirmed by prior biopsy). Returns for annual surveillance EGD. Endoscopy: salmon-colored columnar mucosa from 38–40 cm; Z-line irregular; hiatal hernia 2 cm. Seattle protocol: 4-quadrant biopsies at 38, 39, and 40 cm (12 total specimens). Pathology returns: intestinal metaplasia without dysplasia; no dysplasia identified.

CPT Code:

• 43239 — EGD with biopsy, single or multiple (12 specimens — one unit; ASC setting)

ICD-10-CM:

• K22.70 — Barrett’s esophagus without dysplasia (principal — surveillance indication and confirmed result)
• K21.9 — GERD without esophagitis (additional — underlying condition)

---

Example 2 — EGD with Biopsy for Suspected Celiac Disease

Clinical Scenario: 32-year-old female with 6-month history of diarrhea, bloating, and iron deficiency anemia. IgA anti-tissue transglutaminase = 125 U/mL (strongly positive). EGD performed: scalloping of duodenal folds and diminished Kerckring folds in D2; duodenal bulb appears grossly normal. Biopsies: D1 × 2 specimens; D2 × 5 specimens (7 total). Pathology: Marsh 3b — subtotal villous atrophy with crypt hyperplasia and intraepithelial lymphocytosis. Celiac disease confirmed.

CPT Code:

• 43239 — EGD with biopsy, single or multiple (7 specimens — one unit)

ICD-10-CM:

• K90.0 — Celiac disease (principal — histopathologically confirmed)
• D50.9 — Iron deficiency anemia, unspecified (additional — presenting complication)
• R19.7 — Diarrhea, unspecified (additional — presenting symptom)

---

Example 3 — EGD with H. pylori Biopsy + Gastric Ulcer Evaluation

Clinical Scenario: 58-year-old male with epigastric pain and melena. EGD: 1.5 cm ulcer on lesser curvature of gastric body with clean base; antral nodularity and erythema. Biopsies: ulcer margin × 6 specimens; CLO test from antral biopsy (positive within 1 hour); Updated Sydney Protocol biopsies — antrum × 2, corpus × 2, incisura × 1. Total 11 biopsy specimens + CLO test. Pathology: chronic active gastritis; H. pylori organisms identified on Giemsa stain; ulcer margin — benign peptic ulcer, no malignancy.

CPT Code:

• 43239 — EGD with biopsy, single or multiple (11 specimens — one unit; CLO test bundled)

ICD-10-CM:

• K25.4 — Gastric ulcer, chronic with hemorrhage (principal — melena + chronic ulcer)
• B96.81 — H. pylori as the cause of diseases classified elsewhere (additional — organism confirmed)
• K29.40 — Chronic atrophic gastritis without bleeding (additional — antral gastritis findings)

---

Example 4 — EGD with Biopsy for Eosinophilic Esophagitis Diagnosis

Clinical Scenario: 24-year-old male with 3 episodes of food impaction requiring ED visits; solid dysphagia for 2 years. EGD: linear furrows and trachealization throughout the esophagus; no Barrett’s changes; Z-line at GEJ. Biopsies: proximal esophagus (22 cm) × 3; mid-esophagus (30 cm) × 3; distal esophagus (38 cm) × 3. Pathology: ≥30 eosinophils/HPF at all levels — eosinophilic esophagitis confirmed.

CPT Code:

• 43239 — EGD with biopsy, single or multiple (9 specimens — one unit)

ICD-10-CM:

• K20.0 — Eosinophilic esophagitis (principal — histopathologically confirmed)
• R13.14 — Dysphagia, pharyngoesophageal phase (additional — presenting symptom)

---

Example 5 — EGD with Biopsy + Colonoscopy Same Session (Iron Deficiency Anemia)

Clinical Scenario: 62-year-old female with unexplained iron deficiency anemia (Hgb 9.2 g/dL; ferritin 6 ng/mL; TIBC elevated). Undergoing bidirectional endoscopy. EGD with biopsy first: duodenal biopsies × 4 (D2) + × 2 (D1) for celiac screening; gastric antral biopsies × 2 for H. pylori. Scope withdrawn. Then colonoscopy: unremarkable; no polyps; no bleeding source. Total EGD specimens: 8. Celiac pathology: Marsh 2 — increased IELs, crypt hyperplasia, preserved villi. H. pylori negative.

CPT Codes:

• 43239 — EGD with biopsy (upper GI component; 8 specimens)
• 45378 — Colonoscopy, diagnostic (modifier 51; 50% multiple procedure reduction applies per payer policy)

ICD-10-CM:

• D50.9 — Iron deficiency anemia, unspecified (principal — primary indication)
• K90.0 — Celiac disease (additional — confirmed on duodenal biopsy)

Bidirectional Endoscopy — Multiple Procedure Reduction

When EGD with biopsy (43239) and colonoscopy (45378) are performed in the same session by the same physician, both are reportable. However, most payers (including Medicare) apply a 50% multiple procedure reduction to the lesser-valued service (typically colonoscopy in this pairing). Verify payer-specific policies — some commercial plans reduce the second procedure by 50%; others apply different reduction rules.

---

Example 6 — EGD with Biopsy for Gastric Mass (Suspected Malignancy — Inpatient)

Clinical Scenario: 71-year-old male admitted for progressive dysphagia, 20 lb weight loss, and early satiety. CT scan shows gastric body wall thickening with perigastric adenopathy. EGD performed inpatient: large, fungating, ulcerated mass involving gastric body lesser curvature, 5 × 4 cm, irregular friable margins; duodenum normal; esophagus normal. Four biopsies from mass margin. Pathology: poorly differentiated gastric adenocarcinoma.

CPT Code:

• 43239 — EGD with biopsy (4 specimens — one unit; inpatient POS 21)

ICD-10-CM:

• C16.2 — Malignant neoplasm of body of stomach (principal — confirmed on inpatient biopsy) (HCC 11)
• R63.4 — Abnormal weight loss (additional — 20 lb weight loss)
• E44.0 — Moderate protein-calorie malnutrition (additional — if documented) (CC)

Inpatient Malignancy Confirmed by Biopsy — POA Coding

When 43239 is performed inpatient and biopsy confirms a malignancy (not present on admission):

• Code the confirmed malignancy (C16.2) even though it was not the admitting diagnosis
• The present on admission (POA) indicator = N (condition not present on admission — first recognized/confirmed during the admission via biopsy)
• POA = N diagnoses still count as additional diagnoses for DRG calculation; they may affect CC/MCC capture depending on the specific POA exception rules for the DRG grouper
• The pathology result must be received and reconciled during the same admission for inpatient coding purposes — if pathology returns after discharge, it is not coded on the inpatient record

---

Example 7 — EGD with Biopsy, Barrett’s with High-Grade Dysplasia Identified

Clinical Scenario: 68-year-old female with known Barrett’s esophagus (previously non-dysplastic, 4 cm). Surveillance EGD: 4 cm salmon mucosa; irregular nodular area at 37 cm. Seattle protocol biopsies × 16 specimens + targeted biopsies of nodule × 3 specimens (19 total). Pathology: high-grade dysplasia confirmed at nodule; low-grade dysplasia in one quadrant at 36 cm.

CPT Code:

• 43239 — EGD with biopsy (19 specimens — one unit)

ICD-10-CM:

• K22.711 — Barrett’s esophagus with high-grade dysplasia (principal — most advanced confirmed dysplasia)

Next Steps After K22.711 Identification

Identification of K22.711 on 43239 biopsy typically triggers:

1. EUS (43259) — for T-staging of the dysplastic nodule (intramucosal vs. submucosal invasion)
2. RFA (43228) or EMR (43254) — for ablation/resection of the high-grade dysplasia segment
3. Multidisciplinary tumor board review
4. Each subsequent procedure generates separate CPT codes at separate encounters

---

Example 8 — EGD with Biopsy; Reduced Service (Stricture — Duodenum Not Reached)

Clinical Scenario: 55-year-old female with severe radiation esophageal stricture following chemoradiation for esophageal SCC. EGD attempted: scope advanced to 28 cm — severe radiation-induced stricture with near-complete luminal occlusion; scope cannot pass. Three biopsies taken from stricture margin for pathology (rule out malignant recurrence vs. radiation stricture). Duodenum and stomach not examined. Pathology: radiation-induced stricture — no malignancy.

CPT Code:

• 43239 with modifier 52 — EGD with biopsy; reduced services (examination limited to 28 cm due to radiation stricture; stomach and duodenum not examined)

ICD-10-CM:

• C15.4 — Malignant neoplasm of middle third of esophagus (if still active — use for ongoing cancer surveillance) (HCC 11)
• K22.2 — Esophageal obstruction (additional — radiation stricture causing obstruction)
• T66.XXXA — Radiation sickness (additional — radiation etiology of stricture)

---

Example 9 — EGD with Biopsy for MALT Lymphoma Surveillance (Post-Treatment)

Clinical Scenario: 59-year-old male with prior H. pylori-associated low-grade MALT lymphoma of the stomach, treated with H. pylori eradication therapy 14 months ago. Returns for surveillance EGD. Mucosa: mild antral nodularity; no mass or ulcer. Biopsies per MALT surveillance protocol: antrum × 4, corpus × 4, fundus × 2, incisura × 1 (11 specimens). Pathology: complete histologic remission; no evidence of lymphoma; no H. pylori identified.

CPT Code:

• 43239 — EGD with biopsy (11 specimens — one unit)

ICD-10-CM:

• Z09 — Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm (if complete remission confirmed — MALT coded as a lymphoid malignancy; if still active → use C88.40)
• Z85.038 — Personal history of other malignant neoplasm of stomach (after confirmed remission)

---

⚠️ Common Coding Pitfalls

• 43235 vs. 43239 — biopsy is the determinant: If the procedure note describes forceps biopsy → 43239 always, regardless of the number of specimens. If only brushing/washing → 43235. If no tissue collection at all → 43235. Read the “biopsy” or “specimens” section of the procedure report before assigning either code.
• Never bill 43235 + 43239 in the same session: 43235 is completely subsumed by 43239 when biopsy is performed. Billing both = NCCI violation.
• Never bill multiple units of 43239: One unit covers all biopsy specimens — 1 specimen or 20 specimens = one unit of 43239. Multiple units will trigger automated denial and compliance review.
• Biopsy vs. polypectomy vs. EMR: Cup forceps biopsy → 43239; snare polypectomy → 43251; EMR → 43254. Assign the code that matches the specific technique used for tissue acquisition. If both biopsy (43239) and snare polypectomy (43251) are performed at different sites → both codes reportable with modifier 59; verify NCCI.
• Pathology is NOT the endoscopist’s to bill: 88305 surgical pathology evaluation is billed by the pathologist/laboratory — not the gastroenterologist or surgeon performing 43239. Do not include pathology codes on the proceduralist’s claim.
• Active vs. personal history malignancy: Code active malignancy (C16.x, C15.x) when cancer is confirmed, under treatment, or being evaluated/managed. Personal history (Z85.028, Z85.01) only after confirmed complete remission. HCC capture depends on correct code status.
• Barrett’s — code after pathology confirms dysplasia grade: Do not code K22.710 or K22.711 based on endoscopic appearance. Wait for histopathology. Code the working diagnosis (GERD, K21.9, or known K22.70) at the procedure encounter; update when pathology returns with dysplasia grade.
• EoE — use K20.0, not K20.90: When eosinophilic esophagitis is confirmed on biopsy, K20.0 is the specific correct code. K20.90 (esophagitis NOS) is a non-specific fallback — do not use when EoE is confirmed.
• H. pylori — two-code sequence: Code the manifestation first (gastric ulcer, gastritis) + B96.81 (H. pylori as cause) as additional diagnosis when organism confirmed.
• Inpatient coding — ICD-10-PCS not CPT: Never assign 43239 for inpatient stays. Use ICD-10-PCS Excision (B), appropriate body part(s) (Esophagus = 5, Stomach = 6, Duodenum = 9), Via Natural or Artificial Opening Endoscopic (8), Diagnostic qualifier (X). Assign separate codes for each body part biopsied.
• POA indicator for inpatient biopsy-confirmed diagnoses: When biopsy during inpatient stay confirms a new diagnosis (malignancy, celiac, MALT), POA = N — condition not present on admission but diagnosed during the stay. Document the date pathology results were received and reconciled.
• Bidirectional endoscopy — apply multiple procedure reduction: When EGD (43239) and colonoscopy (45378/45380) are performed same session, both are reportable but the lesser-valued procedure typically receives a 50% reduction per CMS and most commercial payer policies. Append modifier 51 to the lesser-valued code.
• Sedation bundling: When the endoscopist administers moderate sedation — do NOT separately bill 99152 or 99153 — sedation is included in 43239 when the same physician performs both. Only separately bill sedation when a distinctly different physician/provider administers it.

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📚 Brief Source References

^{AMA CPT Professional Edition 2025, codes 43235–43259 and upper GI endoscopy section guidelines CMS Medicare Physician Fee Schedule Final Rule 2025 – Work RVU, facility/non-facility PE RVU, and payment indicator files (www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/PhysicianFeeSched) CMS NCCI Policy Manual for Medicare Services, Chapter 8: Surgery – Digestive System, 2025 CMS MS-DRG Definitions Manual v41 FY2024 – DRGs 374–376, 377–379, 391–392 ICD-10-PCS Official Guidelines for Coding and Reporting FY2025 – Section B3 Root Operations: Excision (B), Diagnostic Qualifier (X); Guideline B3.2a, B3.11b ICD-10-CM Official Guidelines for Coding and Reporting FY2025 – Section I.C.2 Neoplasms; Section I.C.11 Digestive System; Outpatient coding guidelines Section IV; Inpatient guidelines Section II American College of Gastroenterology. Clinical Guidelines: Diagnosis and Management of Barrett’s Esophagus. Am J Gastroenterol 2022;117(4):559–587 Rubio-Tapia A, Hill ID, Semrad C, et al. American College of Gastroenterology Clinical Guideline: Diagnosis and Management of Celiac Disease. Am J Gastroenterol 2023;118(1):59–76 Dellon ES, Gonsalves N, Hirano I, et al. ACG Clinical Guideline: EoE Diagnosis and Management. Am J Gastroenterol 2013;108(5):679–692 Dixon MF, Genta RM, Yardley JH, et al. Updated Sydney System: Classification of chronic gastritis. Am J Surg Pathol 1996;20(10):1161–1181 AAPC CPC/CIC Study Guide – Surgery: Digestive System / Upper GI Endoscopy chapter}