G47.14 Hypersomnia due to medical condition
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Hypersomnia due to medical condition
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Excludes2
Not part of this code, but both can be coded when both are documented.
- alcohol-related hypersomnia (F10.182, F10.282, F10.982)
- drug-related hypersomnia (F11.182, F11.282, F11.982, F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982)
- hypersomnia due to a mental disorder (F51.13)
- hypersomnia not due to a substance or known physiological condition (F51.1-)
- primary hypersomnia (F51.11)
- sleep apnea (G47.3-)
- nightmares (F51.5)
- nonorganic sleep disorders (F51.-)
- sleep terrors (F51.4)
- sleepwalking (F51.3)
Code also
A second code may be needed. Sequencing depends on the encounter.
- associated medical condition
Related codes
G47.10Hypersomnia, unspecified ICD-10-CMG47.11Idiopathic hypersomnia with long sleep time ICD-10-CMG47.12Idiopathic hypersomnia without long sleep time ICD-10-CMG47.13Recurrent hypersomnia ICD-10-CMG47.19Other hypersomnia ICD-10-CMG47.20Circadian rhythm sleep disorder, unspecified type ICD-10-CMG47.21Circadian rhythm sleep disorder, delayed sleep phase type ICD-10-CMG47.22Circadian rhythm sleep disorder, advanced sleep phase type ICD-10-CM
Common questions
Is G47.14 a billable code?
Yes. G47.14 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.