F59
ICD-10BillableUnsp behavrl synd assoc w physiol disturb and physcl factors
Official ICD-10-CM descriptor (FY2026)
Unspecified behavioral syndromes associated with physiological disturbances and physical factors
F59 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Psychogenic physiological dysfunction 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.