Convert ICD-10 Code Y83.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Y83.9 Surgical proc, unsp cause abn react/compl, w/o misadvnt		E878.9 Abn react-surg proc NOS
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 Y83.9 - surgical procedure, unspecified as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure based on the most recent General Equivalence Mappings (GEMS) information.