T78.089 — Anaphylactic reaction due to eggs, unspecified
Is T78.089 billable?
No — T78.089 is a non-billable header code. T78.089 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath T78.089.
T78.089 at a glance
| Code | T78.089 |
|---|---|
| Description | Anaphylactic reaction due to eggs, unspecified |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is T78.089 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to T78.089. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Allergy, allergic › eggs › anaphylactic reaction (reaction) (to)
- Shock › anaphylactic › due to food › eggs
Use additional code — inherited from Chapter 19
Report an additional code alongside T78.089 to fully describe the condition. T78.089 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T78.089, but a patient may have both at the same time. When documentation supports it, T78.089 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T78
The conditions below are not part of T78.089, but a patient may have both at the same time. When documentation supports it, T78.089 and the excluded code may both be reported.
- complications of surgical and medical care NEC (T80-T88)
Code also — inherited from T66-T78
Two codes may be needed to describe the condition fully. Whether T78.089 is sequenced first depends on the reason for the encounter.
- , if applicable, place of occurrence, such as:
- highway rest stop (Y92.523)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
- service areas as the place of occurrence of the external cause (Y92.52-)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
- transport vehicle as the place of occurrence of the external cause (Y92.81-)
What codes fall under T78.089? (3)
How long has T78.089 existed?
T78.089 first appears in FY2026.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.