G47.27
Circadian rhythm sleep disorder in conditions classified elsewhere
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
G47code
G00-G99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 4
Index entries leading here 3
Alongside this code 8 same parent — G47.2
G47.20 Circadian rhythm sleep disorder, unspecified type G47.21 Circadian rhythm sleep disorder, delayed sleep phase type G47.22 Circadian rhythm sleep disorder, advanced sleep phase type G47.23 Circadian rhythm sleep disorder, irregular sleep wake type G47.24 Circadian rhythm sleep disorder, free running type G47.25 Circadian rhythm sleep disorder, jet lag type G47.26 Circadian rhythm sleep disorder, shift work type G47.29 Other circadian rhythm sleep disorder
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.