MCMedicalCodingSoftware
K29.00

K29.00: Acute gastritis without bleeding

Billable / specific codeICD-10-CM

K29.00 is a billable, specific ICD-10-CM code for acute gastritis without bleeding. It is valid for submission on a claim.

Check K29.00 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above K29.00

A category’s note binds every code beneath it.

Written on K29.0: Acute gastritis

  • erosion (acute) of stomach (K25.-)

Written on K29: Gastritis and duodenitis

  • eosinophilic gastritis or gastroenteritis (K52.81)
  • Zollinger-Ellison syndrome (E16.4)

Other codes that can never be billed with K29.00

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • K92.2Gastrointestinal hemorrhage, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

K29.00 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
  • A57414Billing and Coding: Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)

Alphabetic index entries that lead here

  • Gastritis›acute(erosive)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under K29.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.