G47.2 — Circadian rhythm sleep disorders
Is G47.2 billable?
No — G47.2 is a non-billable header code. G47.2 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 9 billable codes beneath G47.2.
Billable codes under this header
- 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
G47.2 at a glance
| Code | G47.2 |
|---|---|
| Description | Circadian rhythm sleep disorders |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is G47.2 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to G47.2. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Rhythm › sleep, inversion
- Sleep › rhythm inversion
Inclusion terms
Alternative wording in documentation that is classified to G47.2.
- Disorders of the sleep wake schedule
- Inversion of nyctohemeral rhythm
- Inversion of sleep rhythm
Excludes2 — not included here — inherited from Chapter 6
The conditions below are not part of G47.2, but a patient may have both at the same time. When documentation supports it, G47.2 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Excludes2 — not included here — inherited from G47
The conditions below are not part of G47.2, but a patient may have both at the same time. When documentation supports it, G47.2 and the excluded code may both be reported.
What codes fall under G47.2? (9)
- 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
How long has G47.2 existed?
G47.2 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.