F39
ICD-10BillableUnspecified mood [affective] disorder
Official ICD-10-CM descriptor (FY2026)
Unspecified mood [affective] disorder
F39 is valid for submission on a claim: CMS flags it as a billable, specific code.
Inclusion terms
- Affective psychosis NOS
Where this code sits
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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.