Convert ICD-10 Code G47.20 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
G47.20 Circadian rhythm sleep disorder, unspecified type		327.30 Circadian rhym sleep 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 G47.20 - circadian rhythm sleep disorder, unspecified type based on the most recent General Equivalence Mappings (GEMS) information.