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ICD-10-CM Code K31.1

Official Description

Adult hypertrophic pyloric stenosis

Pyloric stenosis NOS

Excludes1: congenital or infantile pyloric stenosis (Q40.0)

Short Descr	Adult hypertrophic pyloric stenosis
HHS-HCC v07	Ages 15-124
Home Health Clinical Group	MMTA_GI_GU

K00.0-K95.89 11. Diseases of the digestive system (K00-K95)

K20.0-K31.A29 K20-K31 Diseases of esophagus, stomach and duodenum (K20-K31) Excludes2: hiatus hernia (

K31.0-K31.A29 K31 Other diseases of stomach and duodenum

K31.0 Acute dilatation of stomach

K31.1 Adult hypertrophic pyloric stenosis

K31.2 Hourglass stricture and stenosis of stomach

K31.3 Pylorospasm, not elsewhere classified

K31.4 Gastric diverticulum

K31.5 Obstruction of duodenum

K31.6 Fistula of stomach and duodenum

K31.7 Polyp of stomach and duodenum

K31.9 Disease of stomach and duodenum, unspecified

K31.811-K31.89 K31.8 Other specified diseases of stomach and duodenum

K31.A0-K31.A29 K31.A Gastric intestinal metaplasia

Date	Action	Notes
2015-10-01	Added	Code established

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