G47.0

ICD-10Non-billable category

Insomnia

Official ICD-10-CM descriptor (FY2026)

Insomnia

G47.0 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

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-)

ICD-10-CM FY2026 defines 3 codes beneath G47.0. See the ICD-10-CM index for what this site publishes.

Related codes in G47

Where this code sits

Chapter: 6. Diseases of the nervous system (G00-G99)
Block: Episodic and paroxysmal disorders (G40-G47)
Parent code: G47

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.