All ICD10 Codes
F19Not billable, use a more specific code below

Other psychoactive substance related disorders

In Mental and behavioral disorders due to psychoactive substance use (F10-F19), chapter 5: Mental, Behavioral and Neurodevelopmental Disorders

63 billable codes under F19: 32 are a CC; 61 map to HCC 137 (Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications), HCC 135 (Drug Use with Psychotic Complications), HCC 138 (Drug Use Disorder, Mild, Uncomplicated, Except Cannabis).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.

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Instructional notes

Includes: conditions that are coded here

  • polysubstance drug use (indiscriminate drug use)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Other Chapter 5 topics:

Read Section I.C.5 (page 43)

All codes under F19

F19 can't be used on a claim. Pick a billable code below; grey headings group them.

F19 MS-DRGs

As the principal diagnosis, the billable codes under F19 group to MS-DRG 894, 895, 896, 897, 791, or 793 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to F19

Notes on these codes point to F19.

  • F02 Excludes2: dementia in alcohol and psychoactive substance disorders (F10-F19, with .17, .27, .97)
  • F06 Excludes2: other mental disorders associated with alcohol and other psychoactive substances (F10-F19)
  • F06.0 Excludes2: hallucinations and perceptual disturbance induced by alcohol and other psychoactive substances (F10-F19 with .151, .251, .951)
  • F06.2 Excludes2: alcohol and drug-induced psychotic disorder (F10-F19 with .150, .250, .950)
  • F06.3 Excludes2: mood disorders due to alcohol and other psychoactive substances (F10-F19 with .14, .24, .94)
  • F06.4 Excludes2: anxiety disorders due to alcohol and other psychoactive substances (F10-F19 with .180, .280, .980)
  • F20 Excludes2: psychoactive drug use (F11-F19 with .15. .25, .95)
  • F44.0 Excludes2: alcohol-or other psychoactive substance-induced amnestic disorder (F10, F13, F19 with .26, .96)
  • F55 Excludes2: abuse of psychoactive substances (F10-F19)
  • F63 Excludes2: habitual excessive use of alcohol or psychoactive substances (F10-F19)
  • F63.1 Excludes2: alcohol or psychoactive substance intoxication (F10-F19)
  • O99.32 Use Additional Code: code(s) from F11-F16 and F18-F19 to identify manifestations of the drug use
  • R41.3 Excludes1: amnestic syndrome due to psychoactive substance use (F10-F19 with 5th character .6)
  • R44 Excludes1: hallucinations in drug psychosis (F11-F19 with fifth to sixth characters 51)
  • R78 Excludes2: mental or behavioral disorders due to psychoactive substance use (F10-F19)
  • T36-T50 Excludes2: abuse and dependence of psychoactive substances (F10-F19)
  • T36-T50 Excludes2: pathological drug intoxication (inebriation) (F10-F19)
  • T40 Excludes2: drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.-F19.-)
  • T42 Excludes2: drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.--F19.-)
  • T43 Excludes2: drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.- -F19.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Drug Use and Addiction

Drugs are chemical substances that can change how your body and mind work. They include prescription medicines, over-the-counter medicines, alcohol, tobacco, and illegal drugs.

Read more about drug use and addiction on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.