F51.4
ICD-10BillableSleep terrors [night terrors]
Official ICD-10-CM descriptor (FY2026)
Sleep terrors [night terrors]
F51.4 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Non-rapid eye movement sleep arousal disorders, sleep terror type
Related codes in F51
- F51.0Insomnia not due to a substance or known physiol conditioncategory
- F51.1Hypersomnia not due to a substance or known physiol condcategory
- F51.3Sleepwalking [somnambulism]
- F51.5Nightmare disorder
- F51.8Oth sleep disord not due to a sub or known physiol cond
- F51.9Sleep disorder not due to a sub or known physiol cond, unsp
Where this code sits
- Parent code
- F51
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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.