Convert ICD-10 Code O47.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O47.1 False labor at or after 37 completed weeks of gestation		644.13 Threat labor NEC-antepar
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 O47.1 - false labor at or after 37 completed weeks of gestation based on the most recent General Equivalence Mappings (GEMS) information.