| ICD-10 Code | Description |
| G47.20 | Circadian rhythm sleep disorder, unspecified type |
| G47.21 | Circadian rhythm sleep disorder, delayed sleep phase type |
| G47.22 | Circadian rhythm sleep disorder, advanced sleep phase type |
| G47.23 | Circadian rhythm sleep disorder, irregular sleep wake type |
| G47.24 | Circadian rhythm sleep disorder, free running type |
| G47.25 | Circadian rhythm sleep disorder, jet lag type |
| G47.26 | Circadian rhythm sleep disorder, shift work type |
| G47.27 | Circadian rhythm sleep disorder in conditions classified elsewhere |
| G47.29 | Other circadian rhythm sleep disorder |
