Convert ICD-10 Code D89.41 to ICD-9

Source ICD-10 Code Target ICD-9 Code
D89.41
Monoclonal mast cell activation syndrome
279.8
Immune mechanism 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 D89.41 - monoclonal mast cell activation syndrome based on the most recent General Equivalence Mappings (GEMS) information.