F11.921Billable
Opioid use, unspecified with intoxication delirium
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders
- Category
- F11
- Effective date
- October 1, 2026
Related codes in category F11
F11Opioid related disordersF11.1Opioid abuseF11.10Opioid abuse, uncomplicatedYesF11.11Opioid abuse, in remissionYesF11.12Opioid abuse with intoxicationF11.120Opioid abuse with intoxication, uncomplicatedYesF11.121Opioid abuse with intoxication deliriumYesF11.122Opioid abuse with intoxication with perceptual disturbanceYesF11.129Opioid abuse with intoxication, unspecifiedYesF11.13Opioid abuse with withdrawalYesF11.14Opioid abuse with opioid-induced mood disorderYesF11.15Opioid abuse with opioid-induced psychotic disorder
Frequently asked questions
What is ICD-10 code F11.921?
F11.921 is an ICD-10-CM diagnosis code for Opioid use, unspecified with intoxication delirium.
Is F11.921 a billable code?
Yes. F11.921 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is F11.921 in?
F11.921 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
When did F11.921 become effective?
F11.921 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to F11.921?
F11.921 belongs to category F11, 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.