G47.2
Circadian rhythm sleep disorders
- Release
- FY 2027
- Effective
Hierarchy
Where G47.2 sits in the official hierarchy. Each level is the code it is classified under.
- G47 Parent Sleep disorders
- G47.2 This code Circadian rhythm sleep disorders
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Inclusion Terms
Disorders of the sleep wake schedule
Inclusion Terms
Inversion of nyctohemeral rhythm
Inclusion Terms
Inversion of sleep rhythm
More Specific Codes
9 codes under G47.2
- G47.20 Circadian rhythm sleep disorder, unspecified type Billable
- G47.21 Circadian rhythm sleep disorder, delayed sleep phase type Billable
- G47.22 Circadian rhythm sleep disorder, advanced sleep phase type Billable
- G47.23 Circadian rhythm sleep disorder, irregular sleep wake type Billable
- G47.24 Circadian rhythm sleep disorder, free running type Billable
- G47.25 Circadian rhythm sleep disorder, jet lag type Billable
- G47.26 Circadian rhythm sleep disorder, shift work type Billable
- G47.27 Circadian rhythm sleep disorder in conditions classified elsewhere Billable
- G47.29 Other circadian rhythm sleep disorder Billable
Version History
How G47.2 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentCircadian rhythm sleep disorders
-
FY 2026 Effective
UnchangedCircadian rhythm sleep disorders
Related Codes
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.
Look up another code
Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.