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U.S. ICD-10-CM · FY 2027

T63.011A ICD-10-CM Code: Toxic effect of rattlesnake venom, accidental (unintentional), 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

T63.011A

Toxic effect of rattlesnake venom, accidental (unintentional), initial encounter

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

Classification

Where T63.011A 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 T63

    Toxic effect of contact with venomous animals and plants

  4. 4

    Subcategory T63.011

    Toxic effect of rattlesnake venom, accidental (unintentional)

  5. 5

    Code T63.011A

    Toxic effect of rattlesnake venom, accidental (unintentional), initial encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for T63.011A.

Code first

No “code first” instruction is listed for T63.011A.

Use additional code

No “use additional code” instruction is listed for T63.011A.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T63.011A.

Excludes2

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

No Excludes2 note is listed for T63.011A.

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 T63.011A mean?

T63.011A is the FY 2027 U.S. ICD-10-CM code for “Toxic effect of rattlesnake venom, accidental (unintentional), initial encounter.”

Is T63.011A a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, T63.011A 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 T63.011A located in ICD-10-CM?

T63.011A 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 T63, Toxic effect of contact with venomous animals and plants and subcategory T63.011, Toxic effect of rattlesnake venom, accidental (unintentional).

What coding notes are listed for T63.011A?

No inclusion terms are listed for T63.011A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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