K31.1
Adult hypertrophic pyloric stenosis
Billable
Code Hierarchy
K31K31.1
Coding Guidelines
Inclusion Terms
- Pyloric stenosis NOS
Excludes1 (Mutually Exclusive)
These codes should never be used together with K31.1
- Q40.0 - congenital or infantile pyloric stenosis (Q40.0)
Related Codes
K31.0Billable
Acute dilatation of stomach
K31.2Billable
Hourglass stricture and stenosis of stomach
K31.3Billable
Pylorospasm, not elsewhere classified
K31.4Billable
Gastric diverticulum
K31.5Billable
Obstruction of duodenum
K31.6Billable
Fistula of stomach and duodenum
K31.7Billable
Polyp of stomach and duodenum
K31.8Category
Other specified diseases of stomach and duodenum
K31.9Billable
Disease of stomach and duodenum, unspecified
K31.ACategory
Gastric intestinal metaplasia


