🧬 CPT 43270 - Esophagogastroduodenoscopy (EGD), Flexible, Transoral; with Ablation

Quick Reference

wRVU: ~3.60 · Global: 000 · Assistant: ❌ Not Payable · Bilateral: ❌ N/A · Type: Therapeutic — Ablation


📋 Full Code Descriptor

☑️ CPT 43270 - Esophagogastroduodenoscopy, flexible, transoral; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)

CPT 43270 describes a therapeutic esophagogastroduodenoscopy (EGD) where the endoscopist uses an ablative technique to destroy a lesion, tumor, polyp, or abnormal tissue within the esophagus, stomach, duodenum, or proximal jejunum.

Common ablation modalities include Radiofrequency Ablation (RFA), Argon Plasma Coagulation (APC), laser coagulation, heater probe, or cryotherapy. This is a definitive treatment code frequently utilized for eradicating dysplastic Barrett’s esophagus or destroying bleeding vascular malformations (like GAVE).

The descriptor explicitly notes that any pre- and post-dilation or guide wire passage performed during the same session to facilitate the scope’s passage or the ablation catheter’s placement is bundled and cannot be reported separately.


🔭 Procedure Overview

What the Endoscopist Does

  1. Patient is sedated, and the flexible video endoscope is introduced transorally.
  2. The endoscopist visualizes the esophagus, stomach, and duodenum/proximal jejunum (diagnostic EGD component).
  3. A targeted lesion or abnormal mucosal area is identified for destruction.
  4. The Ablation Technique:
    • An ablation catheter or probe is passed through the endoscope channel.
    • For RFA (e.g., HALO system for Barrett’s): A balloon or focal catheter is deployed and thermal energy is applied to slough off the dysplastic tissue.
    • For APC (e.g., for vascular ectasia): Argon gas is ionized by high-frequency current, delivering non-contact thermal coagulation to the bleeding or abnormal vessels.
  5. The necrotic/ablated tissue may be scraped or washed away.
  6. The site is inspected to ensure adequate destruction and hemostasis.

Scope Reach Defined

StructureIncluded in 43270
Esophagus✅ Always
Stomach✅ Always
Duodenum✅ When appropriate
Proximal Jejunum✅ When appropriate

💰 Valuation & Reimbursement

FieldValue
wRVU~3.60 (Subject to annual MPFS updates)
Global Period000 days
Pre-op Period0 days
Post-op Period0 days
Assistant Surgeon Payable❌ No
Bilateral Procedure❌ Not applicable
Co-Surgeon (-62)❌ Not applicable
Multiple Procedure Reduction✅ Subject to multiple procedure discount if billed with other non-bundled endoscopy codes

Moderate Sedation Note

Moderate sedation (99151, 99152, 99153) is not bundled into 43270. If the endoscopist personally administers moderate sedation, report the appropriate sedation codes. If an anesthesia provider administers MAC/general anesthesia, only the anesthesia provider reports it.


🌲 Code Tree / Code Family

CPT 43270 falls under the therapeutic EGD code family anchored by the diagnostic base code 43235.

43235 ── Diagnostic EGD (base)
│
├── 43239 ── + Biopsy, single or multiple
├── 43248 ── + Dilation of esophagus over guide wire
├── 43249 ── + Esophageal dilation up to 30 mm diameter
├── 43250 ── + Removal of tumor(s)/polyp(s) by hot biopsy forceps
├── 43251 ── + Removal of tumor(s)/polyp(s) by snare technique
├── 43254 ── + Endoscopic mucosal resection (EMR)
├── 43255 ── + Control of bleeding, any method
└── 43270 ── + Ablation of tumor(s), polyp(s), or other lesion(s) ← THIS CODE

✅ Includes (Bundled Into 43270)

The following services are inherent to the ablation procedure and not separately reportable:

  • Diagnostic EGD (43235)
  • Pre-procedure or post-procedure dilation of the esophagus (43248, 43249)
  • Guide wire passage
  • Specimen collection by brushing/washing
  • Routine control of bleeding induced by the ablation itself

❌ Excludes / Separately Reportable

Do NOT bundle

— report separately when documented on a distinctly separate lesion and medically necessary

CodeDescriptorNotes
43239EGD with biopsy, single or multipleSeparately reportable with modifier -59 or -XS only if the biopsy is taken from a distinct, separate lesion than the ablated area.
43254EGD with EMRSeparately reportable if a distinct area is resected via EMR (e.g., EMR of a nodule, followed by RFA of the remaining flat Barrett’s tissue).
43255EGD with control of bleedingSeparately reportable only if the bleeding is from a completely distinct source independent of the ablation site.

🏥 MS-DRG Mapping

Inpatient Context

CPT 43270 is typically an outpatient/ASC procedure (e.g., routine Barrett’s surveillance and treatment). If performed inpatient, MS-DRG assignment is driven by the principal diagnosis (e.g., acute hemorrhage from AVMs or esophageal dysplasia).

Common Inpatient DRG Contexts for 43270

MS-DRGTitleCommon Principal Dx
368Major Esophageal Disorders with MCCC15.9, K22.711 (if MCC present)
369Major Esophageal Disorders with CCK22.711
370Major Esophageal Disorders without CC/MCCK22.710, K22.711
377GI Hemorrhage with MCCK31.811 (if MCC present)
378GI Hemorrhage with CCK31.811
379GI Hemorrhage without CC/MCCK31.811

🔬 Commonly Associated ICD-10-CM Diagnoses

Dysplasia and Neoplasms

ICD-10-CMDescriptorHCCNotes
K22.710Barrett’s esophagus with low-grade dysplasiaNon-HCCCommon indication for RFA.
K22.711Barrett’s esophagus with high-grade dysplasiaNon-HCCPrimary indication for definitive RFA therapy.
C15.9Malignant neoplasm of esophagus, unspecifiedHCC 10 (v24) / HCC 17 (v28)Palliative ablation or early-stage destruction.
D13.0Benign neoplasm of esophagusNon-HCC
D13.1Benign neoplasm of stomachNon-HCC

Vascular Lesions and Bleeding

ICD-10-CMDescriptorHCCNotes
K31.811Angiodysplasia of stomach and duodenum with bleedingNon-HCCGastric Antral Vascular Ectasia (GAVE) treated with APC.
K31.819Angiodysplasia of stomach and duodenum without bleedingNon-HCCProphylactic ablation.
K22.82Esophageal polypNon-HCC
I78.0Hereditary hemorrhagic telangiectasiaNon-HCCOsler-Weber-Rendu syndrome causing upper GI bleeding.

🔧 Applicable Modifiers

ModifierNameWhen to Use with 43270
-52Reduced ServicesThe ablation was planned and scope introduced, but the procedure was terminated before the ablation could be completed (e.g., equipment failure, poor visualization).
-59Distinct Procedural ServiceUsed when billing another therapeutic EGD code (like biopsy 43239 or EMR 43254) on a distinct, separate lesion/site during the same session.
-XSSeparate StructureHighly recommended over -59 for Medicare when a separate lesion/organ structure is treated (e.g., Ablation in esophagus, biopsy in stomach).
-51Multiple ProceduresUsed if another distinct procedure (e.g., Colonoscopy) is performed during the same encounter.

📖 Documentation Requirements

For compliant reporting of 43270, the operative report must explicitly document:

  1. Identification of the Lesion — The specific location, size, and type of abnormal tissue targeted.
  2. Ablation Modality — Explicit mention of the technology used (e.g., “Barrx Radiofrequency Ablation system,” “Argon Plasma Coagulation,” “Nd:YAG laser”).
  3. Execution of Ablation — Documentation that thermal/cryo energy was actively delivered to destroy the tissue.
  4. Separate Lesions (if applicable) — If biopsies or EMR were performed, the report must clearly identify them as being in a distinct anatomical location or a completely separate lesion from the ablated site.

🧪 Coding Examples

Example 1 — RFA for Barrett’s Esophagus

A 61-year-old male with a history of Barrett’s esophagus with high-grade dysplasia presents for scheduled ablation. The endoscope is inserted, and a 3 cm segment of Barrett’s mucosa is identified in the distal esophagus. The Barrx 360 RFA balloon catheter is introduced over a guidewire. Circumferential radiofrequency ablation is delivered to the segment. The ablated coagulum is scraped away, and a second pass of ablation is performed.

CPT: 43270 (Guidewire passage is bundled into the ablation) ICD-10-CM: K22.711 — Barrett’s esophagus with high-grade dysplasia


Example 2 — APC for Bleeding Gastric AVMs

An inpatient EGD is performed for a patient presenting with melena and a drop in hemoglobin. The scope is advanced into the stomach. The endoscopist visualizes classic “watermelon stomach” (Gastric Antral Vascular Ectasia) with active oozing. An Argon Plasma Coagulation (APC) probe is passed through the scope, and thermal ablation is applied to the vascular lesions until the bleeding ceases and the lesions are destroyed.

CPT: 43270 ICD-10-CM: K31.811 — Angiodysplasia of stomach and duodenum with bleeding (Note: 43270 is reported instead of 43255 for hemostasis because the APC technique specifically destroyed the vascular lesions/AVMs).


Example 3 — EMR of Nodule followed by RFA of Flat Mucosa

A patient with Barrett’s esophagus has a distinct 1 cm nodule in the mid-esophagus and flat dysplastic tissue in the distal esophagus. The endoscopist performs an Endoscopic Mucosal Resection (EMR) with submucosal lifting and snare on the mid-esophageal nodule. Subsequently, the focal RFA paddle is used to ablate the separate flat dysplastic mucosa in the distal esophagus.

CPT Codes:

ICD-10-CM: K22.711 — Barrett’s esophagus with high-grade dysplasia (Note: Modifier -XS/-59 is supported because the EMR and the ablation were performed on distinctly separate mucosal areas).


⚠️ Coding Pitfalls & Compliance Notes

Common Errors

  • Coding dilation separately: CPT rules explicitly state that pre- and post-dilation are included in 43270. Never bill 43248 or 43249 alongside 43270 during the same session, even if modifiers are applied, unless the dilation is on a completely separate stricture unrelated to the ablation.
  • Billing biopsy on the same lesion: If the endoscopist biopsies a dysplastic area, realizes it is abnormal, and immediately ablates that exact same area, only the ablation (43270) is reported. You cannot bill 43239 and 43270 for the same target tissue.
  • Confusing bleeding control (43255) with ablation (43270): If APC or a heater probe is used purely to stop an actively bleeding ulcer, report 43255. However, if the tool is used to destroy a structural lesion (like an AVM, tumor, or polyp) that happens to be bleeding, 43270 is the more accurate code because the primary intent is lesion destruction.

  • 43235 — EGD, diagnostic (base code)
  • 43239 — EGD with biopsy, single or multiple
  • 43248 — EGD with dilation of esophagus over guide wire
  • 43249 — EGD with esophageal dilation up to 30 mm diameter
  • 43254 — EGD with endoscopic mucosal resection (EMR)
  • 43255 — EGD with control of bleeding
  • 45388 — Colonoscopy with ablation (lower GI counterpart)
  • K22.710 — Barrett’s esophagus with low-grade dysplasia
  • K22.711 — Barrett’s esophagus with high-grade dysplasia
  • K31.811 — Angiodysplasia of stomach and duodenum with bleeding

AMA CPT Codebook 2025 · CMS Physician Fee Schedule · CMS National Correct Coding Initiative (NCCI) Policy Manual · ICD-10-CM Official Guidelines for Coding and Reporting · AAPC Gastroenterology Coding Reference