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U.S. ICD-10-CM · FY 2027

T54.3X3S ICD-10-CM Code: Toxic effect of corrosive alkalis and alkali-like substances, assault, 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

T54.3X3S

Toxic effect of corrosive alkalis and alkali-like substances, assault, sequela

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

Classification

Where T54.3X3S sits

  1. 1

    Chapter 19

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

  2. 2

    Section

    Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

  3. 3

    Category T54

    Toxic effect of corrosive substances

  4. 4

    Subcategory T54.3X3

    Toxic effect of corrosive alkalis and alkali-like substances, assault

  5. 5

    Code T54.3X3S

    Toxic effect of corrosive alkalis and alkali-like substances, assault, sequela

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for T54.3X3S.

Code first

No “code first” instruction is listed for T54.3X3S.

Use additional code

No “use additional code” instruction is listed for T54.3X3S.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T54.3X3S.

Excludes2

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

No Excludes2 note is listed for T54.3X3S.

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 T54.3X3S mean?

T54.3X3S is the FY 2027 U.S. ICD-10-CM code for “Toxic effect of corrosive alkalis and alkali-like substances, assault, sequela.”

Is T54.3X3S a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, T54.3X3S 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 T54.3X3S located in ICD-10-CM?

T54.3X3S is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Toxic effects of substances chiefly nonmedicinal as to source (T51-T65) (T51–T65), under category T54, Toxic effect of corrosive substances and subcategory T54.3X3, Toxic effect of corrosive alkalis and alkali-like substances, assault.

What coding notes are listed for T54.3X3S?

No inclusion terms are listed for T54.3X3S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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