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U.S. ICD-10-CM · FY 2027

T46.3X1S ICD-10-CM Code: Poisoning by coronary vasodilators, accidental (unintentional), sequela

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

T46.3X1S

Poisoning by coronary vasodilators, accidental (unintentional), sequela

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where T46.3X1S sits

  1. 1

    Chapter 19

    Injury, poisoning and certain other consequences of external causes (S00-T88)

  2. 2

    Section

    Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)

  3. 3

    Category T46

    Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system

  4. 4

    Subcategory T46.3X1

    Poisoning by coronary vasodilators, accidental (unintentional)

  5. 5

    Code T46.3X1S

    Poisoning by coronary vasodilators, accidental (unintentional), sequela

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for T46.3X1S.

Code first

No “code first” instruction is listed for T46.3X1S.

Use additional code

No “use additional code” instruction is listed for T46.3X1S.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T46.3X1S.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for T46.3X1S.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code T46.3X1S mean?

T46.3X1S is the FY 2027 U.S. ICD-10-CM code for “Poisoning by coronary vasodilators, accidental (unintentional), sequela.”

Is T46.3X1S a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, T46.3X1S has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is T46.3X1S located in ICD-10-CM?

T46.3X1S is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) (T36–T50), under category T46, Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system and subcategory T46.3X1, Poisoning by coronary vasodilators, accidental (unintentional).

What coding notes are listed for T46.3X1S?

No inclusion terms are listed for T46.3X1S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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