F16.91: Hallucinogen use, unspecified, in remission
F16.91 is the billable ICD-10-CM diagnosis code for Hallucinogen use, unspecified, in remission. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code F16.91?
F16.91 is the ICD-10-CM diagnosis code for Hallucinogen use, unspecified, in remission. It belongs to category F16 (Hallucinogen related disorders).
Is F16.91 a billable code?
Yes. F16.91 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does F16.91 belong to?
F16.91 is part of ICD-10-CM category F16 — Hallucinogen related disorders, which has 80 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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