Convert ICD-10 Code P07.20 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
P07.20 Extreme immaturity of newborn, unsp weeks of gestation		765.20 Weeks of gestation NOS
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 P07.20 - extreme immaturity of newborn, unspecified weeks of gestation based on the most recent General Equivalence Mappings (GEMS) information.