F16.983 – Hallucinogen use, unspecified with hallucinogen persisting perception disorder (flashbacks)
ICD-10-CM 2027 diagnosis code · Mental and behavioral disorders due to psychoactive substance use
- Code
F16.983(claims format:F16983)- Description
- Hallucinogen use, unspecified with hallucinogen persisting perception disorder (flashbacks)
- Short description
- Hallucign use, unsp w hallucign persist perception 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
- F16 › F16.9 › F16.98
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
F16 – Hallucinogen related disorders
- ecstasy
- PCP
- phencyclidine
F16.9 – Hallucinogen use, unspecified
Index terms for F16.983
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in F16.98
Frequently asked questions
What is ICD-10 code F16.983?
F16.983 is the ICD-10-CM code for hallucinogen use, unspecified with hallucinogen persisting perception disorder (flashbacks), in the block F10-F19 (Mental and behavioral disorders due to psychoactive substance use).
Is F16.983 a billable code?
Yes. F16.983 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does F16.983 belong to?
It belongs to category F16 – Hallucinogen 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.