Hypertrophic pyloric stenosis, in childhood

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2027 onwards.

What has happened to this code

Every change the publisher made, from 2027 to now.

FY2027 Added to the code set Hypertrophic pyloric stenosis, in childhood

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from K31 Other diseases of stomach and duodenum

Excludes2 - not included here

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

Includes

functional disorders of stomach

Inherited from the K20-K31 section Diseases of esophagus, stomach and duodenum (K20-K31)

Excludes2 - not included here

hiatus hernia (K44.-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Occlusion, occluded > pylorus, adult
Stricture > pylorus > infantile
Stenosis, stenotic > pylorus > infantile
Stenosis, stenotic > pylorus > pediatric
Stenosis, stenotic > pylorus > in childhood

Codes in the same group

Code	Description	Status
K31.0	Acute dilatation of stomach	Valid
K31.1	Adult hypertrophic pyloric stenosis	Valid
K31.2	Hourglass stricture and stenosis of stomach	Valid
K31.3	Pylorospasm, not elsewhere classified	Valid
K31.4	Gastric diverticulum	Valid
K31.5	Obstruction of duodenum	Valid
K31.6	Fistula of stomach and duodenum	Valid
K31.7	Polyp of stomach and duodenum	Valid
K31.8	Other specified diseases of stomach and duodenum	Not billable
K31.9	Disease of stomach and duodenum, unspecified	Valid
K31.A	Gastric intestinal metaplasia	Not billable