K29.4 Chronic atrophic gastritis

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Chronic atrophic gastritis is K29.4 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
K20-K31: Diseases of esophagus, stomach and duodenum (K20-K31)
Category K29
28 codes (18 billable)
FY2026 Status
Stable since FY2024

Inclusion Terms

  • Gastric atrophy

Official Coding Guidelines

Chapter 11 reserved for future expansion

11. Chapter 11: Diseases of the Digestive System (K00-K95) Reserved for future guideline expansion

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.11

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

K29 Gastritis and duodenitis

More Specific Codes

K29.40 Chronic atrophic gastritis without bleeding K29.41 Chronic atrophic gastritis with bleeding

Related Codes in K29

K29 Gastritis and duodenitis K29.0 Acute gastritis K29.00 Acute gastritis without bleeding K29.01 Acute gastritis with bleeding K29.2 Alcoholic gastritis K29.20 Alcoholic gastritis without bleeding K29.21 Alcoholic gastritis with bleeding K29.3 Chronic superficial gastritis K29.30 Chronic superficial gastritis without bleeding K29.31 Chronic superficial gastritis with bleeding K29.40 Chronic atrophic gastritis without bleeding K29.41 Chronic atrophic gastritis with bleeding K29.5 Unspecified chronic gastritis K29.50 Unspecified chronic gastritis without bleeding K29.51 Unspecified chronic gastritis with bleeding K29.6 Other gastritis K29.60 Other gastritis without bleeding K29.61 Other gastritis with bleeding K29.7 Gastritis, unspecified K29.70 Gastritis, unspecified, without bleeding
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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