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U.S. ICD-10-CM · FY 2027

T49.95XA ICD-10-CM Code: Adverse effect of unspecified topical agent, initial encounter

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

Code definition

Official description

T49.95XA

Adverse effect of unspecified topical agent, initial encounter

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

Classification

Where T49.95XA 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 T49

    Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs

  4. 4

    Subcategory T49.95

    Adverse effect of unspecified topical agent

  5. 5

    Code T49.95XA

    Adverse effect of unspecified topical agent, initial encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for T49.95XA.

Code first

No “code first” instruction is listed for T49.95XA.

Use additional code

No “use additional code” instruction is listed for T49.95XA.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T49.95XA.

Excludes2

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

No Excludes2 note is listed for T49.95XA.

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 T49.95XA mean?

T49.95XA is the FY 2027 U.S. ICD-10-CM code for “Adverse effect of unspecified topical agent, initial encounter.”

Is T49.95XA a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, T49.95XA 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 T49.95XA located in ICD-10-CM?

T49.95XA 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 T49, Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs and subcategory T49.95, Adverse effect of unspecified topical agent.

What coding notes are listed for T49.95XA?

No inclusion terms are listed for T49.95XA in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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