F18.121Billable
Inhalant abuse with intoxication delirium
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders
- Category
- F18
- Effective date
- October 1, 2026
Related codes in category F18
F18Inhalant related disordersF18.1Inhalant abuseF18.10Inhalant abuse, uncomplicatedYesF18.11Inhalant abuse, in remissionYesF18.12Inhalant abuse with intoxicationF18.120Inhalant abuse with intoxication, uncomplicatedYesF18.129Inhalant 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 F18.121?
F18.121 is an ICD-10-CM diagnosis code for Inhalant abuse with intoxication delirium.
Is F18.121 a billable code?
Yes. F18.121 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is F18.121 in?
F18.121 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
When did F18.121 become effective?
F18.121 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to F18.121?
F18.121 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.