F16 ICD-10-CM Code: Hallucinogen related disorders
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
F16Hallucinogen related disorders
ICD-10-CM diagnosis code · United States clinical modification
Where F16 sits
- 1
Chapter 5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- 2
Section
Mental and behavioral disorders due to psychoactive substance use (F10-F19)
- 3
Category F16
Hallucinogen related disorders
- 4
Code F16
Hallucinogen related disorders
Codes under F16
F16 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for F16.
Code first
No “code first” instruction is listed for F16.
Use additional code
No “use additional code” instruction is listed for F16.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for F16.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for F16.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code F16 mean?
F16 is the FY 2027 U.S. ICD-10-CM code for “Hallucinogen related disorders.”
Is F16 a billable or specific ICD-10-CM code?
No. F16 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is F16 located in ICD-10-CM?
F16 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Mental and behavioral disorders due to psychoactive substance use (F10-F19) (F10–F19), under category F16, Hallucinogen related disorders.
What coding notes are listed for F16?
No inclusion terms are listed for F16 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.