K31.A

K31.A: Gastric intestinal metaplasia

Non-billable headerICD-10-CM

K31.A is a non-billable header ICD-10-CM code for gastric intestinal metaplasia. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 inherited from the categories above K31.A

Not part of this code, but both may be coded when both are present.

Written on K31: Other diseases of stomach and duodenum

diabetic gastroparesis (E08.43, E09.43, E10.43, E11.43, E13.43)
diverticulum of duodenum (K57.00-K57.13)

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K31.A

3 child codes. Green means billable.

K31.A0Gastric intestinal metaplasia, unspecified
K31.A1Gastric intestinal metaplasia without dysplasia
K31.A2Gastric intestinal metaplasia with dysplasia

Other codes under K31

K31.0Acute dilatation of stomach
K31.1Adult hypertrophic pyloric stenosis
K31.BHypertrophic pyloric stenosis, in childhood
K31.2Hourglass stricture and stenosis of stomach
K31.3Pylorospasm, not elsewhere classified
K31.4Gastric diverticulum
K31.5Obstruction of duodenum
K31.6Fistula of stomach and duodenum
K31.7Polyp of stomach and duodenum
K31.8Other specified diseases of stomach and duodenum
K31.9Disease of stomach and duodenum, unspecified