ICD-10 Code for Gastritis

Also indexed as (simple)

The ICD-10-CM code for gastritis is K29.70 — Gastritis, unspecified, without bleeding. This is the code the Alphabetic Index gives for gastritis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

K29.70 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which gastritis code should you use?

The Alphabetic Index lists 20 codes under Gastritis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

with bleeding	K29.71	Gastritis, unspecified, with bleeding
acute	K29.00	Acute gastritis without bleeding
alcoholic	K29.20	Alcoholic gastritis without bleeding
allergic	K29.60	Other gastritis without bleeding
atrophic	K29.40	Chronic atrophic gastritis without bleeding
chronic	K29.50	Unspecified chronic gastritis without bleeding
dietary counseling and surveillance	Z71.3	Dietary counseling and surveillance
due to diet deficiency	E63.9	Nutritional deficiency, unspecified
eosinophilic	K52.81	Eosinophilic gastritis or gastroenteritis
giant hypertrophic	K29.60	Other gastritis without bleeding
granulomatous	K29.60	Other gastritis without bleeding
hypertrophic	K29.60	Other gastritis without bleeding
nervous	F54	Psychological and behavioral factors associated with disorders or diseases classified elsewhere
spastic	K29.60	Other gastritis without bleeding
specified NEC	K29.60	Other gastritis without bleeding
superficial chronic	K29.30	Chronic superficial gastritis without bleeding
tuberculous	A18.83	Tuberculosis of digestive tract organs, not elsewhere classified
viral NEC	A08.4	Viral intestinal infection, unspecified

Gastritis acute

with bleeding

K29.01

Acute gastritis with bleeding

Gastritis alcoholic

with bleeding

K29.21

Alcoholic gastritis with bleeding

Gastritis allergic

with bleeding

K29.61

Other gastritis with bleeding

Gastritis atrophic

with bleeding

K29.41

Chronic atrophic gastritis with bleeding

Gastritis chronic

with bleeding	K29.51	Unspecified chronic gastritis with bleeding
atrophic	K29.40	Chronic atrophic gastritis without bleeding
superficial	K29.30	Chronic superficial gastritis without bleeding
atrophic › with bleeding	K29.41	Chronic atrophic gastritis with bleeding
superficial › with bleeding	K29.31	Chronic superficial gastritis with bleeding

Gastritis giant hypertrophic

with bleeding

K29.61

Other gastritis with bleeding

Gastritis granulomatous

with bleeding

K29.61

Other gastritis with bleeding

Gastritis hypertrophic

with bleeding

K29.61

Other gastritis with bleeding

Gastritis spastic

with bleeding

K29.61

Other gastritis with bleeding

Gastritis specified NEC

with bleeding

K29.61

Other gastritis with bleeding

Gastritis superficial chronic

with bleeding

K29.31

Chronic superficial gastritis with bleeding

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources