Convert ICD-10 Code I87.013 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I87.013 Postthrombotic syndrome w ulcer of bilateral lower extremity		459.11 Postphlebtc synd w ulcer
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 I87.013 - postthrombotic syndrome with ulcer of bilateral lower extremity based on the most recent General Equivalence Mappings (GEMS) information.