G47.2
Header — not billableCircadian rhythm sleep disorders
The ICD-10 code for circadian rhythm sleep disorders is G47.2.
G47.2 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Disorders of the sleep wake schedule
- Inversion of nyctohemeral rhythm
- Inversion of sleep rhythm
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under G47.2
- G47.20Circadian rhythm sleep disorder, unspecified type
- G47.21Circadian rhythm sleep disorder, delayed sleep phase type
- G47.22Circadian rhythm sleep disorder, advanced sleep phase type
- G47.23Circadian rhythm sleep disorder, irregular sleep wake type
- G47.24Circadian rhythm sleep disorder, free running type
- G47.25Circadian rhythm sleep disorder, jet lag type
- G47.26Circadian rhythm sleep disorder, shift work type
- G47.27Circadian rhythm sleep disorder in conditions classified elsewhere
- G47.29Other circadian rhythm sleep disorder
Related codes in this category
- G47.0Insomnianon-billable header
- G47.1Hypersomnianon-billable header
- G47.3Sleep apneanon-billable header
- G47.4Narcolepsy and cataplexynon-billable header
- G47.5Parasomnianon-billable header
- G47.6Sleep related movement disordersnon-billable header
- G47.8Other sleep disorders
- G47.9Sleep disorder, unspecified
- G47.2Circadian rhythm sleep disordersnon-billable header