Convert ICD-10 Code D81.3 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
D81.3 Adenosine deaminase [ADA] deficiency		277.2 Purine/pyrimid dis NEC
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code D81.3 - adenosine deaminase [ada] deficiency based on the most recent General Equivalence Mappings (GEMS) information.