F51.13

ICD-10Billable

Hypersomnia due to other mental disorder

Official ICD-10-CM descriptor (FY2026)

Hypersomnia due to other mental disorder

F51.13 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 F511

Where this code sits

Parent code
F51.1

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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.

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