F16.259 – Hallucinogen dependence with hallucinogen-induced psychotic disorder, unspecified

ICD-10-CM 2027 diagnosis code · Mental and behavioral disorders due to psychoactive substance use

Billable code

ICD-10-CM code F16.259

Code: F16.259 (claims format: F16259)
Description: Hallucinogen dependence with hallucinogen-induced psychotic disorder, unspecified
Short description: Hallucinogen dependence w psychotic disorder, unsp
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 › F16.2 › F16.25

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

F16 – Hallucinogen related disorders

Includes:

ecstasy
PCP
phencyclidine

F16.2 – Hallucinogen dependence

Excludes1 (not coded here):

hallucinogen abuse (F16.1-)
hallucinogen use, unspecified (F16.9-)

Index terms for F16.259

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in F16.25

Frequently asked questions

What is ICD-10 code F16.259?

F16.259 is the ICD-10-CM code for hallucinogen dependence with hallucinogen-induced psychotic disorder, unspecified, in the block F10-F19 (Mental and behavioral disorders due to psychoactive substance use).

Is F16.259 a billable code?

Yes. F16.259 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does F16.259 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.