F16.2 – Hallucinogen dependence
ICD-10-CM 2027 diagnosis code · Mental and behavioral disorders due to psychoactive substance use
- Code
F16.2(claims format:F162)- Description
- Hallucinogen dependence
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- Block
- F10-F19 Mental and behavioral disorders due to psychoactive substance use
- Parent codes
- F16
Billable codes under F16.2
F16.2 is a header code and cannot be used on claims. Choose the most specific code:
- F16.20 – Hallucinogen dependence, uncomplicatedBillable
- F16.21 – Hallucinogen dependence, in remissionBillable
- F16.22 – Hallucinogen dependence with intoxicationHeader (more codes below)
- F16.24 – Hallucinogen dependence with hallucinogen-induced mood disorderBillable
- F16.25 – Hallucinogen dependence with hallucinogen-induced psychotic disorderHeader (more codes below)
- F16.28 – Hallucinogen dependence with other hallucinogen-induced disorderHeader (more codes below)
- F16.29 – Hallucinogen dependence with unspecified hallucinogen-induced disorderBillable
Notes for F16.2
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
F16 – Hallucinogen related disorders
- ecstasy
- PCP
- phencyclidine
Related codes in F16
Frequently asked questions
What is ICD-10 code F16.2?
F16.2 is the ICD-10-CM code for hallucinogen dependence, in the block F10-F19 (Mental and behavioral disorders due to psychoactive substance use).
Is F16.2 a billable code?
No. F16.2 is a header code with more specific child codes; report one of the billable codes listed above.
What category does F16.2 belong to?
It belongs to category F16 – Hallucinogen related disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.