F16.21
Billable codeHallucinogen dependence, in remission
The ICD-10 code for hallucinogen dependence, in remission is F16.21.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- 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
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- F16.20Hallucinogen dependence, uncomplicated
- F16.22Hallucinogen dependence with intoxicationnon-billable header
- F16.24Hallucinogen dependence with hallucinogen-induced mood disorder
- F16.25Hallucinogen dependence with hallucinogen-induced psychotic disordernon-billable header
- F16.28Hallucinogen dependence with other hallucinogen-induced disordernon-billable header
- F16.29Hallucinogen dependence with unspecified hallucinogen-induced disorder
- F16.21Hallucinogen dependence, in remission
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 30453
Associated MS-DRGs
F16.21 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.