G47.20 | Circadian rhythm sleep disorder, unspecified type | BILLABLE CODE |
G47.21 | Circadian rhythm sleep disorder, delayed sleep phase type | BILLABLE CODE |
G47.22 | Circadian rhythm sleep disorder, advanced sleep phase type | BILLABLE CODE |
G47.23 | Circadian rhythm sleep disorder, irregular sleep wake type | BILLABLE CODE |
G47.24 | Circadian rhythm sleep disorder, free running type | BILLABLE CODE |
G47.25 | Circadian rhythm sleep disorder, jet lag type | BILLABLE CODE |
G47.26 | Circadian rhythm sleep disorder, shift work type | BILLABLE CODE |
G47.27 | Circadian rhythm sleep disorder in conditions classified elsewhere | BILLABLE CODE |
G47.29 | Other circadian rhythm sleep disorder | BILLABLE CODE |