Convert ICD-10 Code I80.209 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I80.209 Phlbts and thombophlb of unsp deep vessels of unsp low extrm		451.19 Deep phlebitis-leg 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 I80.209 - phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity based on the most recent General Equivalence Mappings (GEMS) information.