Is F16.9 a billable code?
No. F16.9 is a header code that groups 13 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
F16.9: Hallucinogen use, unspecified
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
F16.9 groups related diagnoses under hallucinogen use, unspecified. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under F16.9
- F16.90Hallucinogen use, unspecified, uncomplicated
- F16.91Hallucinogen use, unspecified, in remission
- F16.920Hallucinogen use, unspecified with intoxication, uncomplicated
- F16.921Hallucinogen use, unspecified with intoxication with delirium
- F16.929Hallucinogen use, unspecified with intoxication, unspecified
- F16.94Hallucinogen use, unspecified with hallucinogen-induced mood disorder
- F16.950Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder with delusions
- F16.951Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder with hallucinations
- F16.959Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder, unspecified
- F16.980Hallucinogen use, unspecified with hallucinogen-induced anxiety disorder
- F16.983Hallucinogen use, unspecified with hallucinogen persisting perception disorder (flashbacks)
- F16.988Hallucinogen use, unspecified with other hallucinogen-induced disorder
- F16.99Hallucinogen use, unspecified with unspecified hallucinogen-induced disorder
Other codes in F16 Hallucinogen related disorders
F16.9 questions
What does F16.9 mean?
F16.9 is the ICD-10-CM code for Hallucinogen use, unspecified. It is in chapter 5, Mental, behavioral and neurodevelopmental disorders (F01-F99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.