Convert ICD-10 Code N01.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
N01.1 Rapidly progr neph synd w focal and seg glomerular lesions		580.4 Ac rapidly progr nephrit
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 N01.1 - rapidly progressive nephritic syndrome with focal and segmental glomerular lesions based on the most recent General Equivalence Mappings (GEMS) information.