Convert ICD-10 Code O24.111 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O24.111 Pre-existing type 2 diabetes, in pregnancy, first trimester		648.01 Diabetes-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.
O24.111 Pre-existing type 2 diabetes, in pregnancy, first trimester		648.03 Diabetes-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 O24.111 - pre-existing type 2 diabetes mellitus, in pregnancy, first trimester based on the most recent General Equivalence Mappings (GEMS) information.