Convert ICD-10 Code O99.111 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O99.111 Oth dis of bld/bld-form org/immun mechnsm comp preg, 1st tri		649.31 Coagulation def-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.
O99.111 Oth dis of bld/bld-form org/immun mechnsm comp preg, 1st tri		649.33 Coagulation def-antepart
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 O99.111 - other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester based on the most recent General Equivalence Mappings (GEMS) information.