F16.1 – Hallucinogen abuse
ICD-10-CM 2027 diagnosis code · Mental and behavioral disorders due to psychoactive substance use
- Code
F16.1(claims format:F161)- Description
- Hallucinogen abuse
- 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 F16.1
F16.1 is a header code and cannot be used on claims. Choose the most specific code:
- F16.10 – Hallucinogen abuse, uncomplicatedBillable
- F16.11 – Hallucinogen abuse, in remissionBillable
- F16.12 – Hallucinogen abuse with intoxicationHeader (more codes below)
- F16.14 – Hallucinogen abuse with hallucinogen-induced mood disorderBillable
- F16.15 – Hallucinogen abuse with hallucinogen-induced psychotic disorderHeader (more codes below)
- F16.18 – Hallucinogen abuse with other hallucinogen-induced disorderHeader (more codes below)
- F16.19 – Hallucinogen abuse with unspecified hallucinogen-induced disorderBillable
Notes for F16.1
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 F16.1?
F16.1 is the ICD-10-CM code for hallucinogen abuse, in the block F10-F19 (Mental and behavioral disorders due to psychoactive substance use).
Is F16.1 a billable code?
No. F16.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does F16.1 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.