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ICD-10-CM 2027

ICD-10 code for rhythm inversion sleep

G47.2

Circadian rhythm sleep disorders

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Sleep › rhythm inversion”. Page updated September 29, 2026.

About coding rhythm inversion sleep

The ICD-10-CM code for rhythm inversion sleep is G47.2 (Circadian rhythm sleep disorders).

Within G47 (sleep disorders), G47.2 is specifically for circadian rhythm sleep disorders. Related codes cover insomnia (G47.0), hypersomnia (G47.1), sleep apnea (G47.3), Narcolepsy and cataplexy (G47.4), parasomnia (G47.5), sleep related movement disorders (G47.6), other sleep disorders (G47.8) and sleep disorder, unspecified (G47.9).

To report this condition, pick the subcode that matches the documentation: G47.20 (type), G47.21 (type), G47.22 (type), G47.23 (type), G47.24 (type), G47.25 (type), G47.26 (type), G47.27 (elsewhere) and 1 more.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about rhythm inversion sleep ICD-10 codes

What is the ICD-10 code for rhythm inversion sleep?

G47.2 — Circadian rhythm sleep disorders (a header code; report a more specific subcode).

Is G47.2 billable?

No. G47.2 is a header code. Report one of its more specific subcodes instead.