F16.21
ICD-10BillableHallucinogen dependence, in remission
Official ICD-10-CM descriptor (FY2026)
Hallucinogen dependence, in remission
F16.21 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Other hallucinogen use disorder, moderate, in early remission
- Other hallucinogen use disorder, moderate, in sustained remission
- Other hallucinogen use disorder, severe, in early remission
- Other hallucinogen use disorder, severe, in sustained remission
- Phencyclidine use disorder, moderate, in early remission
- Phencyclidine use disorder, moderate, in sustained remission
- Phencyclidine use disorder, severe, in early remission
- Phencyclidine use disorder, severe, in sustained remission
Related codes in F162
- F16.20Hallucinogen dependence, uncomplicated
- F16.22Hallucinogen dependence with intoxicationcategory
- F16.24Hallucinogen dependence w hallucinogen-induced mood disorder
- F16.25Hallucinogen dependence w psychotic disordercategory
- F16.28Hallucinogen dependence w oth hallucinogen-induced disordercategory
- F16.29Hallucinogen dependence w unsp hallucinogen-induced disorder
Where this code sits
- Parent code
- F16.2
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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.