10ICD Code Hub

F16.91

Billable code

Hallucinogen use, unspecified, in remission

The ICD-10 code for hallucinogen use, unspecified, in remission is F16.91.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

Associated MS-DRGs

F16.91 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.