ICD-10-CM K29: Gastritis and duodenitis

ICD-10-CM Diagnosis Code (2025)

Official Description for K29

Gastritis and duodenitis

Coding Notes & Guidelines for K29

Excludes1: Not Coded Here
  • eosinophilic gastritis or gastroenteritis (K52.81)
  • Zollinger-Ellison syndrome (E16.4)
Excludes1: Not Coded Here

erosion (acute) of stomach (K25.-)

Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)
Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)
Inclusion Terms

Gastric atrophy

Inclusion Terms
  • Chronic antral gastritis
  • Chronic fundal gastritis
Inclusion Terms
  • Giant hypertrophic gastritis
  • Granulomatous gastritis
  • Ménétrier's disease

Child Codes (More Specific Codes for K29):

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 K29.4 - Chronic atrophic gastritis 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 K29.71 - Gastritis, unspecified, with bleeding K29.8 - Duodenitis K29.80 - Duodenitis without bleeding K29.81 - Duodenitis with bleeding K29.9 - Gastroduodenitis, unspecified K29.90 - Gastroduodenitis, unspecified, without bleeding K29.91 - Gastroduodenitis, unspecified, with bleeding

About ICD-10-CM Code K29 (Gastritis and duodenitis)

ICD-10-CM code K29 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K29 became effective on October 1, 2024.

This page provides detailed information about K29 - Gastritis and duodenitis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Gastritis and duodenitis.