Convert ICD-10 Code J63.4 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
J63.4 Siderosis		503 Inorg dust pneumocon 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 J63.4 - siderosis based on the most recent General Equivalence Mappings (GEMS) information.