Convert ICD-10 Code K31.3 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K31.3 Pylorospasm, not elsewhere classified		537.81 Pylorospasm

ICD-10 to ICD-9 crosswalk for code K31.3 - pylorospasm, not elsewhere classified based on the most recent General Equivalence Mappings (GEMS) information.