10ICD Code Hub

F16.959

Billable code

Hallucinogen use, unspecified with hallucinogen-induced psychotic disorder, unspecified

The ICD-10 code for hallucinogen use, unspecified with hallucinogen-induced psychotic disorder, unspecified is F16.959.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Other hallucinogen induced psychotic disorder, without use disorder
  • Phencyclidine induced psychotic disorder, without use disorder

Documentation support

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

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

F16.959 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.