F16 – Hallucinogen related disorders
ICD-10-CM 2027 diagnosis code · Mental and behavioral disorders due to psychoactive substance use
ICD-10-CM code
F16
- Code
F16(claims format:F16)- Description
- Hallucinogen related disorders
- 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
Billable codes under F16
F16 is a header code and cannot be used on claims. Choose the most specific code:
- F16.1 – Hallucinogen abuseHeader (more codes below)
- F16.2 – Hallucinogen dependenceHeader (more codes below)
- F16.9 – Hallucinogen use, unspecifiedHeader (more codes below)
Notes for F16
Includes:
- ecstasy
- PCP
- phencyclidine
Frequently asked questions
What is ICD-10 code F16?
F16 is the ICD-10-CM code for hallucinogen related disorders, in the block F10-F19 (Mental and behavioral disorders due to psychoactive substance use).
Is F16 a billable code?
No. F16 is a header code with more specific child codes; report one of the billable codes listed above.
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.