Convert ICD-10 Code K31.4 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K31.4 Gastric diverticulum		537.1 Gastric diverticulum

ICD-10 to ICD-9 crosswalk for code K31.4 - gastric diverticulum based on the most recent General Equivalence Mappings (GEMS) information.