G47.2 – Circadian rhythm sleep disorders

Code

G47.2 (claims format: G472)

Description

Circadian rhythm sleep disorders

Billable

No – use a more specific code below

Valid for

Dates of service October 1, 2026 – September 30, 2027 (FY2027)

Chapter

6. Diseases of the nervous system (G00-G99)

Block

G40-G47 Episodic and paroxysmal disorders

Parent codes

G47

Billable codes under G47.2

G47.2 is a header code and cannot be used on claims. Choose the most specific code:

• G47.20 – Circadian rhythm sleep disorder, unspecified typeBillable
• G47.21 – Circadian rhythm sleep disorder, delayed sleep phase typeBillable
• G47.22 – Circadian rhythm sleep disorder, advanced sleep phase typeBillable
• G47.23 – Circadian rhythm sleep disorder, irregular sleep wake typeBillable
• G47.24 – Circadian rhythm sleep disorder, free running typeBillable
• G47.25 – Circadian rhythm sleep disorder, jet lag typeBillable
• G47.26 – Circadian rhythm sleep disorder, shift work typeBillable
• G47.27 – Circadian rhythm sleep disorder in conditions classified elsewhereBillable
• G47.29 – Other circadian rhythm sleep disorderBillable

Notes for G47.2

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

G47 – Sleep disorders

Index terms for G47.2

Entries in the ICD-10-CM alphabetic index that lead to this code:

• Sleep, rhythm inversion
• Rhythm, sleep, inversion

Related codes in G47

• G47.0 – InsomniaHeader
• G47.1 – HypersomniaHeader
• G47.3 – Sleep apneaHeader
• G47.4 – Narcolepsy and cataplexyHeader
• G47.5 – ParasomniaHeader
• G47.6 – Sleep related movement disordersHeader
• G47.8 – Other sleep disordersBillable
• G47.9 – Sleep disorder, unspecifiedBillable