Convert ICD-10 Code E80.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
E80.1 Porphyria cutanea tarda		277.1 Dis porphyrin metabolism
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 E80.1 - porphyria cutanea tarda based on the most recent General Equivalence Mappings (GEMS) information.