F16.2
Hallucinogen dependence
F16.2 is a non-billable ICD-10-CM code header for hallucinogen dependence. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are F16.20 Hallucinogen dependence, uncomplicated; F16.21 Hallucinogen dependence, in remission; F16.22 Hallucinogen dependence with intoxication; F16.24 Hallucinogen dependence with hallucinogen-induced mood disorder and 3 more. Its coding notes include 2 Excludes1 entries and 1 Excludes2 entry.
Guidelines tips
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
When use, abuse and dependence of the same substance are all documented, one code is assigned, by a set hierarchy.
A medical condition due to substance use is coded from the Alphabetic Index along with the substance use, abuse or dependence code, not as a substance-induced disorder.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Includes
Further defines or gives examples of the content of the category.
- ecstasy
- PCP
- phencyclidine
Also from chapter/block level (1 note)
- disorders of psychological development
More specific codes under F16.2 7
- F16.20Hallucinogen dependence, uncomplicatedBillable
- F16.21Hallucinogen dependence, in remissionBillable
- F16.22Hallucinogen dependence with intoxicationHeader
- F16.24Hallucinogen dependence with hallucinogen-induced mood disorderBillable
- F16.25Hallucinogen dependence with hallucinogen-induced psychotic disorderHeader
- F16.28Hallucinogen dependence with other hallucinogen-induced disorderHeader
- F16.29Hallucinogen dependence with unspecified hallucinogen-induced disorderBillable