Convert ICD-10 Code O22.31 to ICD-9

Source ICD-10 Code Target ICD-9 Code
O22.31
Deep phlebothrombosis in pregnancy, first trimester
671.31
Deep throm antepar-deliv
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.
O22.31
Deep phlebothrombosis in pregnancy, first trimester
671.33
Deep vein thromb-antepar
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 O22.31 - deep phlebothrombosis in pregnancy, first trimester based on the most recent General Equivalence Mappings (GEMS) information.