ICD10BillableValid for clinical use

ICD-10 Code F19.99: Other psychoactive substance use, unspecified with unspecified psychoactive substance-induced disorder

F19.99 is a billable ICD-10 diagnosis code used to classify Other psychoactive substance use, unspecified with unspecified psychoactive substance-induced disorder in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Mental, Behavioral and Neurodevelopmental disorders (F01-F99).

When is it used?

  • May be used when a clinician documents other psychoactive substance use, unspecified with unspecified psychoactive substance-induced disorder in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
block
F10-F19Mental and behavioral disorders due to psychoactive substance use
category
F19Other psychoactive substance related disorders
category
F19.9Other psychoactive substance use, unspecified
currentF19.9

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

PsychiatristClinical Psychologist

Related codes

F19.90Other psychoactive substance use, unspecified, uncomplicatedcodeF19.91Other psychoactive substance use, unspecified, in remissioncodeF19.92Other psychoactive substance use, unspecified with intoxicationcategoryF19.93Other psychoactive substance use, unspecified with withdrawalcategoryF19.94Other psychoactive substance use, unspecified with psychoactive substance-induced mood disordercodeF19.95Other psychoactive substance use, unspecified with psychoactive substance-induced psychotic disordercategoryF19.96Other psychoactive substance use, unspecified with psychoactive substance-induced persisting amnestic disordercodeF19.97Other psychoactive substance use, unspecified with psychoactive substance-induced persisting dementiacodeF19.98Other psychoactive substance use, unspecified with other psychoactive substance-induced disorderscategory

Sibling codes

F19.90Other psychoactive substance use, unspecified, uncomplicatedbillableF19.91Other psychoactive substance use, unspecified, in remissionbillableF19.92Other psychoactive substance use, unspecified with intoxicationF19.93Other psychoactive substance use, unspecified with withdrawalF19.94Other psychoactive substance use, unspecified with psychoactive substance-induced mood disorderbillableF19.95Other psychoactive substance use, unspecified with psychoactive substance-induced psychotic disorderF19.96Other psychoactive substance use, unspecified with psychoactive substance-induced persisting amnestic disorderbillableF19.97Other psychoactive substance use, unspecified with psychoactive substance-induced persisting dementiabillableF19.98Other psychoactive substance use, unspecified with other psychoactive substance-induced disorders

Coverage-related procedures and services

Coding guidelines

Common synonyms

Other psychoactive substance use, unspecified with unspecified psychoactive substance-induced disorderOther psychoactive substance use

Frequently asked questions

Code details

CodeF19.99
SystemICD10
Display nameOther psychoactive substance use, unspecified with unspecified psychoactive substance-induced disorder
ChapterMental, Behavioral and Neurodevelopmental disorders (F01-F99)
BlockMental and behavioral disorders due to psychoactive substance use

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Disorder(of)Misuse of drugsUse(of)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code F19.99 for Other psychoactive substance use, unspecified with unspecified psychoactive substance-induced disorder | HealthAssure