F51.05

ICD-10Billable

Insomnia due to other mental disorder

Official ICD-10-CM descriptor (FY2026)

Insomnia due to other mental disorder

F51.05 is valid for submission on a claim — CMS flags it as a billable, specific code.

Code also

Two codes may be needed; sequencing depends on the reason for the encounter.

  • associated mental disorder

Related codes in F510

Where this code sits

Parent code
F51.0

Krasyn AI Coder

Get code suggestions automatically as you type notes. Free for 50 analyses.

Install for Chrome — free

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.

Get codes automatically as you write notes. Krasyn AI Coder for Chrome — free for 50 analyses.Install free →