Convert ICD-10 Code O99.324 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O99.324 Drug use complicating childbirth		648.31 Drug dependence-deliver
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 O99.324 - drug use complicating childbirth based on the most recent General Equivalence Mappings (GEMS) information.