F11.99 – Opioid use, unspecified with unspecified opioid-induced disorder
ICD-10-CM 2027 diagnosis code · Mental and behavioral disorders due to psychoactive substance use
- Code
F11.99(claims format:F1199)- Description
- Opioid use, unspecified with unspecified opioid-induced disorder
- Short description
- Opioid use, unsp with unspecified opioid-induced disorder
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
- Block
- F10-F19 Mental and behavioral disorders due to psychoactive substance use
- Parent codes
- F11 › F11.9
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
F11.9 – Opioid use, unspecified
Index terms for F11.99
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in F11.9
- F11.90 – Opioid use, unspecified, uncomplicatedBillable
- F11.91 – Opioid use, unspecified, in remissionBillable
- F11.92 – Opioid use, unspecified with intoxicationHeader
- F11.93 – Opioid use, unspecified with withdrawalBillable
- F11.94 – Opioid use, unspecified with opioid-induced mood disorderBillable
- F11.95 – Opioid use, unspecified with opioid-induced psychotic disorderHeader
- F11.98 – Opioid use, unspecified with other specified opioid-induced disorderHeader
Frequently asked questions
What is ICD-10 code F11.99?
F11.99 is the ICD-10-CM code for opioid use, unspecified with unspecified opioid-induced disorder, in the block F10-F19 (Mental and behavioral disorders due to psychoactive substance use).
Is F11.99 a billable code?
Yes. F11.99 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F11.99 belong to?
It belongs to category F11 – Opioid related disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.