ICD10BillableValid for clinical use

ICD-10 Code T46.3X2: Poisoning by coronary vasodilators, intentional self-harm

T46.3X2 is a billable ICD-10 diagnosis code used to classify Poisoning by coronary vasodilators, intentional self-harm 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 Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

  • May be used when a clinician documents poisoning by coronary vasodilators, intentional self-harm 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
19Injury, poisoning and certain other consequences of external causes (S00-T88)
block
T07-T88Injury, poisoning and certain other consequences of external causes
block
T36-T50Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances
category
T46Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
category
T46.3Poisoning by, adverse effect of and underdosing of coronary vasodilators
category
T46.3XPoisoning by, adverse effect of and underdosing of coronary vasodilators
currentT46.3X

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

Emergency Medicine SpecialistOrthopedic Specialist

Coding guidelines

Common synonyms

Poisoning by coronary vasodilators, intentional self-harm

Frequently asked questions

Code details

CodeT46.3X2
SystemICD10
Display namePoisoning by coronary vasodilators, intentional self-harm
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockPoisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

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 T46.3X2 for Poisoning by coronary vasodilators, intentional self-harm | HealthAssure