ICD10BillableValid for clinical use

ICD-10 Code F19.121: Other psychoactive substance abuse with intoxication delirium

F19.121 is a billable ICD-10 diagnosis code used to classify Other psychoactive substance abuse with intoxication delirium 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 abuse with intoxication delirium 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
F19.1Other psychoactive substance abuse
category
F19.12Other psychoactive substance abuse with intoxication
currentF19.12

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

Coding guidelines

Common synonyms

Other psychoactive substance abuse with intoxication delirium

Frequently asked questions

Code details

CodeF19.121
SystemICD10
Display nameOther psychoactive substance abuse with intoxication delirium
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
AbuseDelirium, delirious(acute or subacute) (not alcohol- or drug-induced)Disorder(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.