Convert ICD-10 Code O16.2 to ICD-9

Source ICD-10 Code Target ICD-9 Code
O16.2
Unspecified maternal hypertension, second trimester
642.91
Hypertens NOS-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.
O16.2
Unspecified maternal hypertension, second trimester
642.93
Hypertens NOS-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.
O16.2
Unspecified maternal hypertension, second trimester
642.94
Hypertens NOS-postpartum
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 O16.2 - unspecified maternal hypertension, second trimester based on the most recent General Equivalence Mappings (GEMS) information.