F11.9
ICD-10Non-billable categoryOpioid use, unspecified
Official ICD-10-CM descriptor (FY2026)
Opioid use, unspecified
F11.9 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- opioid abuse (F11.1-)
- opioid dependence (F11.2-)
More specific codes under F11.9
- F11.90Opioid use, unspecified, uncomplicated
- F11.91Opioid use, unspecified, in remission
- F11.92Opioid use, unspecified with intoxicationcategory
- F11.93Opioid use, unspecified with withdrawal
- F11.94Opioid use, unspecified with opioid-induced mood disorder
- F11.95Opioid use, unsp with opioid-induced psychotic disordercategory
- F11.98Opioid use, unspecified with oth opioid-induced disordercategory
- F11.99Opioid use, unsp with unspecified opioid-induced disorder
Related codes in F11
Where this code sits
- Parent code
- F11
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.