🥣 ICD-10 CM Z93.1 — Gastrostomy Status

Billable Code Confirmed

ICD-10 CM Z93.1 is a valid, billable 4-character ICD-10-CM diagnosis code for FY2026.1 The code structure is: Z for Chapter 21 factors influencing health status, 93 for artificial opening status, and .1 for gastrostomy status. No laterality, 7th character, episode-of-care character, or additional ICD-10-CM character is required.

Non-Billable Parent Codes — Never Submit These

  • Z93 — 3-character category header — artificial opening status; lacks the specific artificial opening type.

Always submit Z93.1 when a chronic or existing gastrostomy status is documented and the encounter is not specifically for gastrostomy attention, management, replacement, malfunction, leakage, infection, or other complication.

Clinical Context: Status Code vs. Tube Care or Complication

ICD-10 CM Z93.1 captures the presence of an established gastrostomy as a health-status condition. It is not the correct code for an encounter specifically for gastrostomy tube care, replacement, adjustment, leakage, infection, or mechanical malfunction. For active tube attention, consider Z43.1; for complications, consider the appropriate gastrostomy complication code such as K94.21, K94.22, K94.23, or K94.29 when documented.1

Code Classification

ICD-10 CM Diagnosis CodewRVU, assistant-at-surgery, and global-period fields are not applicable. For procedures commonly associated with gastrostomy placement, exchange, or management, see the Commonly Associated CPT Codes and ICD-10-PCS Crosswalk sections below.


🔍 Code Description

ICD-10 CM Z93.1 classifies gastrostomy status.1 Clinically, this means the patient has an established artificial opening from the abdominal wall into the stomach, usually with a gastrostomy tube, used for enteral feeding, hydration, medication administration, gastric decompression, or long-term nutritional access.

A gastrostomy may be placed endoscopically as a PEG tube, radiologically under image guidance, laparoscopically, or by open surgery. The status code identifies the patient’s baseline device/anatomic state, while related diagnosis codes capture why the tube is needed, such as R13.12 oropharyngeal dysphagia, E43 severe protein-calorie malnutrition, neurologic impairment, head and neck cancer, or chronic aspiration risk.


🌳 Code Tree / Hierarchy

Z93 Artificial opening status ❌ Non-billable

├── Z93.0 Tracheostomy status ✅ Billable
├── Z93.1 Gastrostomy status ◀ THIS CODE ✅ Billable
├── Z93.2 Ileostomy status ✅ Billable
├── Z93.3 Colostomy status ✅ Billable
├── Z93.4 Other artificial openings of gastrointestinal tract status ✅ Billable
├── Z93.50 Cystostomy status, unspecified ✅ Billable
├── Z93.51 Cutaneous-vesicostomy status ✅ Billable
├── Z93.52 Appendico-vesicostomy status ✅ Billable
├── Z93.59 Other cystostomy status ✅ Billable
├── Z93.6 Other artificial openings of urinary tract status ✅ Billable
├── Z93.8 Other artificial opening status ✅ Billable
└── Z93.9 Artificial opening status, unspecified ✅ Billable

Status Specificity Matters

Use Z93.1 only when the artificial opening is specifically a gastrostomy. If documentation says only “artificial opening,” “ostomy,” or “feeding tube” without confirming gastrostomy location, query when the site affects code selection or clinical risk capture.


✅ Includes

The following clinical terms and scenarios map to Z93.1 when documented:

  • Gastrostomy status
  • G-tube status
  • PEG tube status
  • Gastrostomy tube present
  • Long-term gastrostomy tube
  • Chronic gastrostomy access
  • Established gastrostomy used for enteral nutrition
  • Established gastrostomy used for medication administration or hydration
  • Existing gastrostomy without active complication

❌ Excludes

Excludes 1 — Cannot Be Coded Simultaneously with Z93.1

CodeDescriptionNote
Z43.1Encounter for attention to gastrostomyUse when the encounter is for gastrostomy care, adjustment, cleaning, replacement, or management rather than merely documenting chronic status.
K94.20Gastrostomy complication, unspecifiedUse when an active gastrostomy complication is documented but the complication type is not specified.
K94.21Gastrostomy infectionUse when gastrostomy-site infection, cellulitis, abscess, or infected gastrostomy is documented.
K94.22Gastrostomy malfunctionUse for active mechanical malfunction, dislodgement, obstruction, breakage, or nonfunctioning gastrostomy tube when documented.
K94.23Gastrostomy leakageUse when leakage around or from the gastrostomy tube/site is the documented complication.
K94.29Other complications of gastrostomyUse for other specified active gastrostomy complications not captured by a more specific K94.2- code.

Excludes 1 Violation Risk

The most common error is coding Z93.1 for a patient who presents specifically for a leaking, infected, dislodged, obstructed, or malfunctioning gastrostomy tube. In those cases, code the active encounter or complication, such as Z43.1, K94.21, K94.22, or K94.23, rather than reporting routine gastrostomy status as the reason for care.

Excludes 2 — May Be Coded in Addition if Separately Present

CodeDescriptionNote
R13.10Dysphagia, unspecifiedMay be coded when dysphagia is documented as an active condition but phase is not specified.
R13.11Dysphagia, oral phaseMay be coded when oral-phase dysphagia is documented.
R13.12Dysphagia, oropharyngeal phaseMay be coded when oropharyngeal dysphagia supports tube feeding need.
R13.13Dysphagia, pharyngeal phaseMay be coded when pharyngeal-phase dysphagia is documented.
R13.14Dysphagia, pharyngoesophageal phaseMay be coded when pharyngoesophageal dysphagia is documented.
E43Unspecified severe protein-calorie malnutritionMay be coded when severe protein-calorie malnutrition is separately documented and clinically evaluated or treated.
E44.0Moderate protein-calorie malnutritionMay be coded when moderate protein-calorie malnutrition is documented.
E44.1Mild protein-calorie malnutritionMay be coded when mild protein-calorie malnutrition is documented.
Z93.0Tracheostomy statusMay be coded when the patient has both tracheostomy status and gastrostomy status.

📋 Clinical Overview

Gastrostomy Status vs. Gastrostomy Attention vs. Gastrostomy Complication

This distinction is central for accurate code selection. Z93.1 describes an established, uncomplicated gastrostomy status, while Z43.1 describes an encounter for gastrostomy attention and K94.2- codes describe active complications.

FeatureZ93.1 — Gastrostomy StatusZ43.1 — Attention to GastrostomyK94.22 — Gastrostomy Malfunction
Code typeICD-10-CM status codeICD-10-CM encounter/care codeICD-10-CM complication code
What it describesEstablished gastrostomy present at baselineVisit for gastrostomy care, adjustment, or managementActive tube malfunction or mechanical problem
Typical documentation“PEG tube in place,” “G-tube dependent,” “gastrostomy status”“Here for G-tube exchange,” “attention to gastrostomy”“Dislodged G-tube,” “clogged tube,” “nonfunctioning gastrostomy”
Clinical focusChronic access/feeding statusRoutine or planned tube attentionActive problem requiring evaluation/treatment
Common sequencingUsually secondaryOften principal when reason for visitOften principal when complication is reason for visit

CDI Query Trigger — “Feeding Tube” Without Site

Query the provider when documentation states only “feeding tube,” “enteral tube,” “tube feeds,” or “PEG/GJ?” and the anatomic site is unclear. Z93.1 requires gastrostomy status; jejunostomy, gastrojejunostomy, nasogastric tube use, and other GI artificial openings may require different coding.

Manifestations & Symptom Burden

Patients with gastrostomy status often have substantial underlying disease burden, but Z93.1 itself only captures the artificial opening status. Common associated conditions include:

  • Dysphagia: Neurologic, structural, or postsurgical swallowing impairment may require gastrostomy feeding.
  • Malnutrition or failure to thrive: Gastrostomy access may support long-term nutrition, hydration, and medication delivery.
  • Aspiration risk: Patients may require tube feeding because oral intake is unsafe or insufficient.
  • Neurologic impairment: Stroke, traumatic brain injury, cerebral palsy, ALS, dementia, or spinal cord injury may drive long-term enteral feeding needs.
  • Head and neck or esophageal disease: Obstruction, radiation effects, malignancy, or postsurgical anatomy may necessitate gastrostomy access.
  • Tube-site care needs: Skin breakdown, leakage, infection, granulation tissue, clogging, or dislodgement should be coded separately when documented as active problems.

Coding Manifestations

Always code documented associated conditions to fully capture the patient’s complexity. Examples include:

  • R13.12 — Dysphagia, oropharyngeal phase
  • E43 — Unspecified severe protein-calorie malnutrition
  • J69.0 — Pneumonitis due to inhalation of food and vomit
  • Z93.0 — Tracheostomy status
  • K94.23 — Gastrostomy leakage

💰 HCC Risk Adjustment (CMS-HCC v28)

FieldDetail
CMS-HCC Model Versionv28
HCC Assignment✅ Mapped
HCC CategoryHCC 188 — Artificial Openings for Feeding or Elimination
RAF CoefficientSegment- and demographic-dependent; verify in CMS model software and payer-specific implementation

Z93.1 maps to CMS-HCC v28 HCC 188 and contributes to risk adjustment when supported by valid documentation and encounter requirements.3

Capture Annually

Gastrostomy status must be documented and coded at least once per reporting year when clinically present and monitored, evaluated, assessed, or treated. Documentation should support current status, such as “G-tube in place,” “PEG dependent,” “receives tube feeds,” “medications via gastrostomy,” or “gastrostomy site assessed.” Historical gastrostomy that has been removed should not be coded as current Z93.1.


🏥 MS-DRG Assignment

MDC 23 — Factors Influencing Health Status and Other Contacts with Health Services

DRGTitleEst. Relative Weight*
DRG 951Other Factors Influencing Health Status with MCC~1.7-2.2
DRG 952Other Factors Influencing Health Status with CC~1.0-1.4
DRG 953Other Factors Influencing Health Status without CC/MCC~0.7-1.0

Approximate. Verify against IPPS FY2026 Final Rule tables and the facility’s active grouper.4

Sequencing and Complications

Z93.1 is most often a secondary diagnosis that describes chronic gastrostomy status. If a patient is admitted for aspiration pneumonia, malnutrition, dehydration, stroke, cancer, sepsis, or dysphagia, the acute or active condition usually drives the principal diagnosis, with Z93.1 added only if it affects care or is clinically relevant. If the admission is for gastrostomy replacement, routine attention, malfunction, infection, or leakage, evaluate Z43.1 or the appropriate K94.2- complication code instead. Do not assume Z93.1 from diet orders alone unless the provider documentation supports current gastrostomy status.


Artificial Opening Status and Gastrostomy Care Codes

CodeDescription
Z93.1Gastrostomy status ← This Code
Z43.1Encounter for attention to gastrostomy
Z93.0Tracheostomy status
Z93.2Ileostomy status
Z93.3Colostomy status
Z93.4Other artificial openings of gastrointestinal tract status

Gastrostomy Complication Codes

CodeDescription
K94.20Gastrostomy complication, unspecified
K94.21Gastrostomy infection
K94.22Gastrostomy malfunction
K94.23Gastrostomy leakage
K94.29Other complications of gastrostomy

Common Underlying or Associated Conditions

CodeDescription
R13.10Dysphagia, unspecified
R13.12Dysphagia, oropharyngeal phase
E43Unspecified severe protein-calorie malnutrition
E44.0Moderate protein-calorie malnutrition
J69.0Pneumonitis due to inhalation of food and vomit
Z74.01Bed confinement status

🛠️ Commonly Associated CPT Codes (Gastroenterology / Surgery / Interventional Radiology)

Outpatient and Profee Setting Context

These CPT codes are commonly associated with gastrostomy placement, replacement, revision, or imaging-guided tube management. Z93.1 supports the presence of an established gastrostomy, but procedure coding must be based on the operative, endoscopic, interventional radiology, or bedside procedure documentation rather than the status code alone.5

CPT CodeDescriptionProfee Coding Notes (Modifier 26)
43246Esophagogastroduodenoscopy with directed placement of percutaneous gastrostomy tubeUsed for endoscopic PEG placement when documentation supports EGD-directed placement.
49440Insertion of gastrostomy tube, percutaneous, under fluoroscopic guidance including contrast injection(s), image documentation and reportImaging guidance is included by descriptor; do not separately bill bundled imaging when payer edits apply.
49450Replacement of gastrostomy or cecostomy tube, percutaneous, under fluoroscopic guidance including contrast injection(s), image documentation and reportUsed for image-guided G-tube exchange/replacement.
49452Replacement of gastro-jejunostomy tube, percutaneous, under fluoroscopic guidance including contrast injection(s), image documentation and reportUse for GJ tube replacement, not simple gastrostomy replacement.
43762Replacement of gastrostomy tube, percutaneous, without imaging or endoscopic guidance; not requiring revision of gastrostomy tractCommon bedside or office tube replacement code when no imaging/endoscopy and no tract revision are performed.
43763Replacement of gastrostomy tube, percutaneous, without imaging or endoscopic guidance; requiring revision of gastrostomy tractRequires documentation supporting tract revision.
43830Gastrostomy, open; without construction of gastric tubeOpen surgical gastrostomy placement.
43653Laparoscopy, surgical; gastrostomy, without construction of gastric tubeLaparoscopic gastrostomy placement when documented.
74018Radiologic examination, abdomen; 1 viewMay be used for tube position or abdominal evaluation when medically necessary; professional interpretation may require modifier -26.
99232Subsequent hospital inpatient or observation care, per day, moderate levelE/M code selection must be supported by MDM or time; gastrostomy status may contribute to complexity when addressed.
99233Subsequent hospital inpatient or observation care, per day, high levelUse only when documentation supports high-level MDM or time.

NCCI Bundling Considerations

  • 49440 includes fluoroscopic guidance, contrast injection(s), image documentation, and report by descriptor; do not separately bill bundled imaging unless payer policy and documentation support a distinct service.
  • 43762 and 43763 are for gastrostomy tube replacement without imaging or endoscopic guidance; do not report them with image-guided replacement codes for the same tube exchange.
  • A significant, separately identifiable E/M service on the same date as gastrostomy replacement or tube procedure may require modifier -25 when payer policy supports it.
  • Distinct procedural services may require modifier -59 or -XS only when documentation supports separate structure, separate encounter, or a clearly distinct procedural service.
  • Radiology professional-only billing may require modifier -26; technical-only billing may require modifier -TC, depending on payer and site-of-service rules.

🔬 ICD-10-PCS Crosswalk (Inpatient Procedures)

When Z93.1 is an inpatient diagnosis, these PCS codes are relevant for associated inpatient gastrostomy procedures.

PCS SectionBody SystemRoot OperationClinical Application
0 — Medical and SurgicalD — Gastrointestinal SystemH — InsertionOpen surgical gastrostomy tube placement with feeding device into stomach, example 0DH60UZ.
0 — Medical and SurgicalD — Gastrointestinal SystemH — InsertionPercutaneous radiologic gastrostomy tube placement with feeding device into stomach, example 0DH63UZ.
0 — Medical and SurgicalD — Gastrointestinal SystemH — InsertionPercutaneous endoscopic gastrostomy placement with feeding device into stomach, example 0DH64UZ.
0 — Medical and SurgicalD — Gastrointestinal SystemP — RemovalRemoval of feeding device from stomach by external approach, example 0DP6XUZ.

💊 Coding Scenarios and Examples


Scenario 1 — Inpatient: Aspiration Pneumonia with Chronic PEG Tube Status

Clinical Vignette: A 79-year-old male with prior stroke, chronic oropharyngeal dysphagia, and PEG tube dependence is admitted with fever, hypoxia, and right lower-lobe infiltrate after suspected aspiration. The provider documents aspiration pneumonia, PEG tube in place for long-term nutrition, and chronic dysphagia.

Principal Diagnosis:

  • J69.0 — Pneumonitis due to inhalation of food and vomit (reason for admission and active treated condition)

Secondary Diagnoses:

  • Z93.1 — Gastrostomy status (chronic PEG/G-tube status affecting nutrition and care planning)
  • R13.12 — Dysphagia, oropharyngeal phase (documented underlying swallowing disorder)
  • Z86.73 — Personal history of transient ischemic attack and cerebral infarction without residual deficits (if documented as prior stroke without current deficits; use current sequela codes instead if residual deficits are documented)

MS-DRG Assignment: The pneumonia or aspiration diagnosis drives the respiratory/infectious grouping rather than MDC 23. Z93.1 supports chronic complexity and HCC capture but should not replace the acute principal diagnosis.


Scenario 2 — Outpatient / ED: Dislodged Gastrostomy Tube

Clinical Vignette: A 62-year-old female with chronic G-tube dependence presents to the ED after her gastrostomy tube became dislodged. The provider documents “gastrostomy malfunction/dislodged G-tube,” and the tube is replaced at bedside without imaging.

Principal Diagnosis:

  • K94.22 — Gastrostomy malfunction (active complication and reason for encounter)

Procedure Code:

  • 43762 — Replacement of gastrostomy tube, percutaneous, without imaging or endoscopic guidance; not requiring revision of gastrostomy tract (if documentation supports simple replacement without imaging/endoscopy and no tract revision)

Secondary Diagnoses:

  • Additional underlying conditions such as dysphagia or malnutrition may be coded if documented and clinically relevant.

MS-DRG Assignment: If admitted, the complication code, not Z93.1, would generally drive the encounter. Do not use routine gastrostomy status as the principal diagnosis when the documented reason for care is dislodgement or malfunction.


Scenario 3 — CDI Query: “Tube Feeds” Without Confirmed Gastrostomy

Clinical Vignette: A 70-year-old nursing-facility resident is admitted for dehydration and AKI. Nursing notes mention “tube feeds resumed,” but the provider assessment does not specify whether the patient has a PEG tube, G-tube, GJ tube, J-tube, nasogastric tube, or other enteral access. The diet order says “enteral feeding per protocol.”

Action / Outcome: The coder should not assume Z93.1 from “tube feeds” alone. A CDI query should ask the provider to clarify the type and site of enteral access and whether it is a current chronic status affecting care.

Query Response: Provider updates documentation to confirm: “Patient has chronic gastrostomy tube in place and receives long-term enteral nutrition via G-tube.”

Corrected ICD-10-CM Coding:

  • Z93.1 — Gastrostomy status
  • E86.0 — Dehydration (if documented and treated)
  • N17.9 — Acute kidney failure, unspecified (if documented and no further specificity is available)

⚠️ Coding Pitfalls and Tips

Pitfall or Tip
Do not code gastrostomy status for active tube complications as the reason for care. If the encounter is for infection, leakage, dislodgement, obstruction, or malfunction, use the appropriate active complication code such as K94.21, K94.22, or K94.23.
Do not confuse tube attention with tube status. Routine or planned gastrostomy care, exchange, or adjustment should prompt review for Z43.1, not automatic reporting of Z93.1 as the main encounter code.
Do not infer gastrostomy from “tube feeds” alone. Nasogastric, nasojejunal, jejunostomy, gastrojejunostomy, and gastrostomy tubes are not interchangeable for ICD-10-CM coding.
Capture underlying disease when documented. Dysphagia, malnutrition, aspiration pneumonia, neurologic deficits, cancer, or other conditions driving tube dependence should be coded separately when active and supported.
Use status codes when they affect care. Z93.1 is appropriate when the gastrostomy impacts nutrition, medication administration, nursing care, aspiration precautions, discharge planning, supplies, or risk adjustment.
Capture annually for HCC when current. Current gastrostomy status maps to CMS-HCC v28 HCC 188, so it should be documented and coded annually when assessed, monitored, or managed.

📚 Sources

1. CMS/NCHS. ICD-10-CM Official Guidelines for Coding and Reporting, FY2026; ICD-10-CM Tabular List, Chapter 21, category Z93 and related Z43/K94.2 code families. 2. CDC/NCHS. ICD-10-CM Browser Tool, FY2026 code listings for Z93.1, Z43.1, K94.20-K94.29, R13.10-R13.14, and related artificial-opening status codes. 3. CMS. 2025-2026 Medicare Advantage Risk Adjustment — CMS-HCC Model v28 ICD-10-CM Mappings; mapping logic for artificial openings for feeding or elimination. 4. CMS. IPPS Final Rule FY2026 — MS-DRG Definitions Manual v43; MDC 23 and DRG 951-953 logic tables. 5. AMA. CPT Professional Edition 2026; digestive system, endoscopy, interventional radiology, E/M, and gastrostomy-related CPT descriptors. 6. CMS. National Correct Coding Initiative Policy Manual and Medically Unlikely Edits, 2026; general bundling principles for E/M, imaging guidance, endoscopy, radiology interpretation, and gastrostomy tube procedures.