G47.00 Insomnia, unspecified
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Insomnia, unspecified
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Also covers
- Insomnia NOS
Excludes2
Not part of this code, but both can be coded when both are documented.
- alcohol related insomnia (F10.182, F10.282, F10.982)
- drug-related insomnia (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)
- idiopathic insomnia (F51.01)
- insomnia due to a mental disorder (F51.05)
- insomnia not due to a substance or known physiological condition (F51.0-)
- nonorganic insomnia (F51.0-)
- primary insomnia (F51.01)
- sleep apnea (G47.3-)
- nightmares (F51.5)
- nonorganic sleep disorders (F51.-)
- sleep terrors (F51.4)
- sleepwalking (F51.3)
Related codes
G47.01Insomnia due to medical condition ICD-10-CMG47.09Other insomnia ICD-10-CMG47.10Hypersomnia, 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-CMG47.14Hypersomnia due to medical condition ICD-10-CMG47.19Other hypersomnia ICD-10-CM
Common questions
Is G47.00 a billable code?
Yes. G47.00 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.