Convert ICD-10 Code O09.91 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O09.91 Supervision of high risk pregnancy, unsp, first trimester		V23.9 Suprv high-risk preg NOS
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 O09.91 - supervision of high risk pregnancy, unspecified, first trimester based on the most recent General Equivalence Mappings (GEMS) information.