F18.921 – Inhalant use, unspecified with intoxication with delirium
ICD-10-CM 2027 diagnosis code · Mental and behavioral disorders due to psychoactive substance use
- Code
F18.921(claims format:F18921)- Description
- Inhalant use, unspecified with intoxication with delirium
- 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
- F18 › F18.9 › F18.92
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
F18 – Inhalant related disorders
- volatile solvents
F18.9 – Inhalant use, unspecified
Index terms for F18.921
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in F18.92
Frequently asked questions
What is ICD-10 code F18.921?
F18.921 is the ICD-10-CM code for inhalant use, unspecified with intoxication with delirium, in the block F10-F19 (Mental and behavioral disorders due to psychoactive substance use).
Is F18.921 a billable code?
Yes. F18.921 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F18.921 belong to?
It belongs to category F18 – Inhalant 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.