K29.21 Alcoholic gastritis with bleeding

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from K29 Gastritis and duodenitis

Excludes1 (never code together)

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

Applies from K29.2 Alcoholic gastritis

Use additional code

• code to identify:
• alcohol abuse and dependence (F10.-)

MS-DRG index

Defines the logic of DRG(s) 377-379 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 535.31 Alcoholic gastritis, with hemorrhage

Code annotations containing back-references to K29.21

Back-references to K29

• Type 1 Excludes: K92.2 Gastrointestinal hemorrhage, unspecified ("gastritis and duodenitis with hemorrhage (K29.-)")

Diagnosis Index entries for K29.21

• Gastritis (simple) › alcoholic › with bleeding

Nearby codes

• 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 (this code)
• K29.3 Chronic superficial gastritis
• K29.30 Chronic superficial gastritis without bleeding
• K29.31 Chronic superficial gastritis with bleeding
• K29.4 Chronic atrophic gastritis
• K29.40 Chronic atrophic gastritis without bleeding