G47.2 ICD-10-CM Code: Circadian rhythm sleep disorders
G47.2 isn’t billable on its own. Choose one of the 9 billable codes beneath it, the one the documentation supports.
Official description
G47.2Circadian rhythm sleep disorders
ICD-10-CM diagnosis code · United States clinical modification
Billable codes under G47.2
G47.2 can’t be reported on its own. Choose the code below that matches what the note documents.
G47.20Circadian rhythm sleep disorder, unspecified typeG47.21Circadian rhythm sleep disorder, delayed sleep phase typeG47.22Circadian rhythm sleep disorder, advanced sleep phase typeG47.23Circadian rhythm sleep disorder, irregular sleep wake typeG47.24Circadian rhythm sleep disorder, free running typeG47.25Circadian rhythm sleep disorder, jet lag typeG47.26Circadian rhythm sleep disorder, shift work typeG47.27Circadian rhythm sleep disorder in conditions classified elsewhereG47.29Other circadian rhythm sleep disorderWhere G47.2 sits
- 1
Chapter 6
Diseases of the nervous system (G00-G99)
- 2
Section
Episodic and paroxysmal disorders (G40-G47)
- 3
Category G47
Sleep disorders
- 4
Code G47.2
Circadian rhythm sleep disorders
Notes for this code
Inclusion terms
- Disorders of the sleep wake schedule
- Inversion of nyctohemeral rhythm
- Inversion of sleep rhythm
Code first
No “code first” instruction is listed for G47.2.
Use additional code
No “use additional code” instruction is listed for G47.2.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for G47.2.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for G47.2.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code G47.2 mean?
G47.2 is the FY 2027 U.S. ICD-10-CM code for “Circadian rhythm sleep disorders.”
Is G47.2 a billable or specific ICD-10-CM code?
No. G47.2 has 9 billable codes beneath it in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is G47.2 located in ICD-10-CM?
G47.2 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Episodic and paroxysmal disorders (G40-G47) (G40–G47), under category G47, Sleep disorders.
What coding notes are listed for G47.2?
Its listed inclusion terms are Disorders of the sleep wake schedule; Inversion of nyctohemeral rhythm; Inversion of sleep rhythm. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.