Convert ICD-10 Code O23.31 to ICD-9

Source ICD-10 Code Target ICD-9 Code
O23.31
Infect of prt urinary tract in pregnancy, first trimester
646.61
Gu infection-delivered
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.
O23.31
Infect of prt urinary tract in pregnancy, first trimester
646.63
Gu infection-antepartum
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 O23.31 - infections of other parts of urinary tract in pregnancy, first trimester based on the most recent General Equivalence Mappings (GEMS) information.