G47.2
G47.2 — Circadian rhythm sleep disorders
Non-billable headerICD-10-CM
G47.2 is a non-billable header ICD-10-CM code for circadian rhythm sleep disorders. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Disorders of the sleep wake schedule
- Inversion of nyctohemeral rhythm
- Inversion of sleep rhythm
Risk adjustment
G47.2 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead G47.2
9 child codes. Green means billable.
- 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 at this level
Codes that share G47. If G47.2 is not quite right, the correct code is usually one of these.
Questions about G47.2
- Is G47.2 a billable ICD-10-CM code?
- No. G47.2 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does G47.2 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).