RxDB
ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

K31.1 – Adult hypertrophic pyloric stenosis

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Type 1 Excludes

congenital or infantile pyloric stenosis (Q40.0)

Applicable To

Pyloric stenosis NOS

GEM Conversion to ICD-9 CM

Fs: 00000 – Acquired hypertrophic pyloric stenosis

MDC / MS-DRG Reference

COMPLICATED PEPTIC ULCER WITH MCC
COMPLICATED PEPTIC ULCER WITH CC
COMPLICATED PEPTIC ULCER WITHOUT CC/MCC
UNCOMPLICATED PEPTIC ULCER WITH MCC
UNCOMPLICATED PEPTIC ULCER WITHOUT MCC

Back Reference of Diagnostic Codes

Constriction See also Stricture
pylorus (adult hypertrophic) K31.1
Hypertrophy, hypertrophic
pylorus (adult) (muscle) (sphincter) K31.1
Obstruction, obstructed, obstructive
gastric outlet K31.1
pylorus
adult K31.1
Occlusion, occluded
pylorus, adult See also Stricture, pylorus K31.1
Stenosis, stenotic (cicatricial) See also Stricture
pylorus (hypertrophic) (acquired) K31.1
adult K31.1
Stricture See also Stenosis
pylorus (hypertrophic) K31.1
adult K31.1

Sibling Codes

Acute dilatation of stomach
Hourglass stricture and stenosis of stomach
Pylorospasm, not elsewhere classified
Gastric diverticulum
Obstruction of duodenum
Fistula of stomach and duodenum
Polyp of stomach and duodenum
Other specified diseases of stomach and duodenum
Disease of stomach and duodenum, unspecified
Gastric intestinal metaplasia

Parent Sibling Codes

Functional dyspepsia
Other diseases of stomach and duodenum
Acute appendicitis
Other appendicitis
Unspecified appendicitis
Other diseases of appendix

View in Tabular

Code Title
K00-K95 Diseases of the digestive system (K00-K95)
K20-K31 Diseases of esophagus, stomach and duodenum (K20-K31)
K31 Other diseases of stomach and duodenum
K31.1 Adult hypertrophic pyloric stenosis
Type 1 Excludes
congenital or infantile pyloric stenosis (Q40.0)

Applicable to
Pyloric stenosis NOS