Convert ICD-9 Code 644.20 to ICD-10

Source ICD-9 Code		Target ICD-10 Code
644.20 Early onset deliv-unspec		O60.10X0 Preterm labor w preterm delivery, unsp trimester, unsp
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-9 to ICD-10 crosswalk for code 644.20 - early onset of delivery, unspecified as to episode of care or not applicable based on the most recent General Equivalence Mappings (GEMS) information.