F16.9
ICD-10Non-billable categoryHallucinogen use, unspecified
Official ICD-10-CM descriptor (FY2026)
Hallucinogen use, unspecified
F16.9 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- hallucinogen abuse (F16.1-)
- hallucinogen dependence (F16.2-)
More specific codes under F16.9
- F16.90Hallucinogen use, unspecified, uncomplicated
- F16.91Hallucinogen use, unspecified, in remission
- F16.92Hallucinogen use, unspecified with intoxicationcategory
- F16.94Hallucinogen use, unsp w hallucinogen-induced mood disorder
- F16.95Hallucinogen use, unsp w psychotic disordercategory
- F16.98Hallucinogen use, unsp w oth hallucinogen-induced disordercategory
- F16.99Hallucinogen use, unsp w unsp hallucinogen-induced disorder
Related codes in F16
Where this code sits
- Parent code
- F16
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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.