Convert ICD-10 Code K31.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K31.1 Adult hypertrophic pyloric stenosis		537.0 Acq pyloric stenosis

ICD-10 to ICD-9 crosswalk for code K31.1 - adult hypertrophic pyloric stenosis based on the most recent General Equivalence Mappings (GEMS) information.