Convert ICD-10 Code G47.22 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
G47.22 Circadian rhythm sleep disorder, advanced sleep phase type		327.32 Circadian rhy-advc sleep

ICD-10 to ICD-9 crosswalk for code G47.22 - circadian rhythm sleep disorder, advanced sleep phase type based on the most recent General Equivalence Mappings (GEMS) information.