T78.129A ICD-10-CM Code: Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, 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
T78.129AOther adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, initial encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T78.129A sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Other and unspecified effects of external causes (T66-T78)
- 3
Category T78
Adverse effects, not elsewhere classified
- 4
Subcategory T78.129
Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified
- 5
Code T78.129A
Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, initial encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T78.129A.
Code first
No “code first” instruction is listed for T78.129A.
Use additional code
No “use additional code” instruction is listed for T78.129A.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T78.129A.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T78.129A.
Transparency
Source and release
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 sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code T78.129A mean?
T78.129A is the FY 2027 U.S. ICD-10-CM code for “Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, initial encounter.”
Is T78.129A a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T78.129A 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 T78.129A located in ICD-10-CM?
T78.129A 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 T78.129, Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified.
What coding notes are listed for T78.129A?
No inclusion terms are listed for T78.129A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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