F11.921 Opioid use, unspecified with intoxication delirium
ICD-10-CM · CMS code reference
F11.921 is for opioid intoxication with delirium when the opioid use isn't described as abuse or dependence; its listed term is opioid-induced delirium. With abuse documented use F11.121, and with dependence F11.221.
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Also covers
- Opioid-induced delirium
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- opioid use, unspecified with withdrawal (F11.93)
- opioid abuse (F11.1-)
- opioid dependence (F11.2-)
Related codes
F11.90Opioid use, unspecified, uncomplicated ICD-10-CMF11.91Opioid use, unspecified, in remission ICD-10-CMF11.920Opioid use, unspecified with intoxication, uncomplicated ICD-10-CMF11.922Opioid use, unspecified with intoxication with perceptual disturbance ICD-10-CMF11.929Opioid use, unspecified with intoxication, unspecified ICD-10-CMF11.93Opioid use, unspecified with withdrawal ICD-10-CMF11.94Opioid use, unspecified with opioid-induced mood disorder ICD-10-CMF11.950Opioid use, unspecified with opioid-induced psychotic disorder with delusions ICD-10-CM
Common questions
Is F11.921 a billable code?
Yes. F11.921 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.