F18Header code — not billable
Inhalant related disorders
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders
- Category
- F18
- Effective date
- October 1, 2026
Related codes in category F18
F18.1Inhalant abuseF18.10Inhalant abuse, uncomplicatedYesF18.11Inhalant abuse, in remissionYesF18.12Inhalant abuse with intoxicationF18.120Inhalant abuse with intoxication, uncomplicatedYesF18.121Inhalant abuse with intoxication deliriumYesF18.129Inhalant abuse with intoxication, unspecifiedYesF18.14Inhalant abuse with inhalant-induced mood disorderYesF18.15Inhalant abuse with inhalant-induced psychotic disorderF18.150Inhalant abuse w inhalnt-induce psych disorder w delusionsYesF18.151Inhalant abuse w inhalnt-induce psych disorder w hallucinYesF18.159Inhalant abuse w inhalant-induced psychotic disorder, unspYes
Frequently asked questions
What is ICD-10 code F18?
F18 is an ICD-10-CM diagnosis code for Inhalant related disorders.
Is F18 a billable code?
No. F18 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 F18 in?
F18 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
When did F18 become effective?
F18 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to F18?
F18 belongs to category F18, 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.