T78.09 — Anaphylactic reaction due to other food products

Not billable

Is T78.09 billable?

No — T78.09 is a non-billable header code. T78.09 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 T78.09.

Billable codes under this header

T78.09 at a glance

Code	T78.09
Description	Anaphylactic reaction due to other food products
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

How is T78.09 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to T78.09. They show the wording a clinician may have documented, which often differs from the Tabular description.

Shock › anaphylactic › due to food › specified type NEC

Use additional code — inherited from Chapter 19

Report an additional code alongside T78.09 to fully describe the condition. T78.09 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 T78.09, but a patient may have both at the same time. When documentation supports it, T78.09 and the excluded code may both be reported.

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from T78

The conditions below are not part of T78.09, but a patient may have both at the same time. When documentation supports it, T78.09 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 T78.09 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 T78.09? (3)

How long has T78.09 existed?

T78.09 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to T78.09?

ICD-10 code for Shock