T78.089: Anaphylactic reaction due to eggs, unspecified

New code · FY2026

Not billable: this is a header. Use one of the more specific codes below.

• New code, effective October 1, 2025 (FY2026).

Code breakdown

Coding notes

Inclusion terms (from T78.0)

• Anaphylactic reaction due to adverse food reaction
• Anaphylactic shock or reaction due to nonpoisonous foods
• Anaphylactoid reaction due to food

Excludes2 (from T78)

• complications of surgical and medical care NEC (T80-T88)

7th character (from T78)

• The appropriate 7th character is to be added to each code from category T78

7th characters (category T78)

• A initial encounter
• D subsequent encounter
• S sequela

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.