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U.S. ICD-10-CM · FY 2027

T78.03XD ICD-10-CM Code: Anaphylactic reaction due to other fish, subsequent 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

T78.03XD

Anaphylactic reaction due to other fish, subsequent encounter

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

Classification

Where T78.03XD sits

  1. 1

    Chapter 19

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

  2. 2

    Section

    Other and unspecified effects of external causes (T66-T78)

  3. 3

    Category T78

    Adverse effects, not elsewhere classified

  4. 4

    Subcategory T78.03

    Anaphylactic reaction due to other fish

  5. 5

    Code T78.03XD

    Anaphylactic reaction due to other fish, subsequent encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for T78.03XD.

Code first

No “code first” instruction is listed for T78.03XD.

Use additional code

No “use additional code” instruction is listed for T78.03XD.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for T78.03XD.

Excludes2

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

No Excludes2 note is listed for T78.03XD.

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 T78.03XD mean?

T78.03XD is the FY 2027 U.S. ICD-10-CM code for “Anaphylactic reaction due to other fish, subsequent encounter.”

Is T78.03XD a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, T78.03XD 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 T78.03XD located in ICD-10-CM?

T78.03XD is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Other and unspecified effects of external causes (T66-T78) (T66–T78), under category T78, Adverse effects, not elsewhere classified and subcategory T78.03, Anaphylactic reaction due to other fish.

What coding notes are listed for T78.03XD?

No inclusion terms are listed for T78.03XD in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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