F16.98Header code — not billable
Hallucinogen use, unspecified with other specified hallucinogen-induced disorder
Short description: Hallucinogen use, unsp w oth hallucinogen-induced disorder
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders
- Category
- F16
- Effective date
- October 1, 2026
Related codes in category F16
F16Hallucinogen related disordersF16.1Hallucinogen abuseF16.10Hallucinogen abuse, uncomplicatedYesF16.11Hallucinogen abuse, in remissionYesF16.12Hallucinogen abuse with intoxicationF16.120Hallucinogen abuse with intoxication, uncomplicatedYesF16.121Hallucinogen abuse with intoxication with deliriumYesF16.122Hallucinogen abuse w intoxication w perceptual disturbanceYesF16.129Hallucinogen abuse with intoxication, unspecifiedYesF16.14Hallucinogen abuse with hallucinogen-induced mood disorderYesF16.15Hallucinogen abuse w hallucinogen-induced psychotic disorderF16.150Hallucinogen abuse w psychotic disorder w delusionsYes
Frequently asked questions
What is ICD-10 code F16.98?
F16.98 is an ICD-10-CM diagnosis code for Hallucinogen use, unspecified with other specified hallucinogen-induced disorder.
Is F16.98 a billable code?
No. F16.98 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is F16.98 in?
F16.98 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
When did F16.98 become effective?
F16.98 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to F16.98?
F16.98 belongs to category F16, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.