F73
ICD-10BillableProfound intellectual disabilities
Official ICD-10-CM descriptor (FY2026)
Profound intellectual disabilities
F73 is valid for submission on a claim: CMS flags it as a billable, specific code.
Inclusion terms
- IQ level below 20-25
- Profound mental subnormality
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.