F19.9 – Other psychoactive substance use, unspecified

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

Non-billable header

ICD-10-CM code F19.9
Code
F19.9 (claims format: F199)
Description
Other psychoactive substance use, unspecified
Billable
No – use a more specific code below
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
F19

Billable codes under F19.9

F19.9 is a header code and cannot be used on claims. Choose the most specific code:

Notes for F19.9

Excludes1 (not coded here):
  • other psychoactive substance abuse (F19.1-)
  • other psychoactive substance dependence (F19.2-)

Notes inherited from parent codes

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

F19 – Other psychoactive substance related disorders

Includes:
  • polysubstance drug use (indiscriminate drug use)

Related codes in F19

Frequently asked questions

What is ICD-10 code F19.9?

F19.9 is the ICD-10-CM code for other psychoactive substance use, unspecified, in the block F10-F19 (Mental and behavioral disorders due to psychoactive substance use).

Is F19.9 a billable code?

No. F19.9 is a header code with more specific child codes; report one of the billable codes listed above.

What category does F19.9 belong to?

It belongs to category F19 – Other psychoactive substance 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.