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U.S. ICD-10-CM · FY 2027

T43.291S ICD-10-CM Code: Poisoning by other antidepressants, 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

T43.291S

Poisoning by other antidepressants, accidental (unintentional), sequela

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

Classification

Where T43.291S 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 T43

    Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified

  4. 4

    Subcategory T43.291

    Poisoning by other antidepressants, accidental (unintentional)

  5. 5

    Code T43.291S

    Poisoning by other antidepressants, accidental (unintentional), sequela

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for T43.291S.

Code first

No “code first” instruction is listed for T43.291S.

Use additional code

No “use additional code” instruction is listed for T43.291S.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T43.291S.

Excludes2

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

No Excludes2 note is listed for T43.291S.

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 T43.291S mean?

T43.291S is the FY 2027 U.S. ICD-10-CM code for “Poisoning by other antidepressants, accidental (unintentional), sequela.”

Is T43.291S a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, T43.291S 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 T43.291S located in ICD-10-CM?

T43.291S 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 T43, Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified and subcategory T43.291, Poisoning by other antidepressants, accidental (unintentional).

What coding notes are listed for T43.291S?

No inclusion terms are listed for T43.291S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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