T78.00

T78.00: Anaphylactic reaction due to unspecified food

Non-billable headerICD-10-CM

T78.00 is a non-billable header ICD-10-CM code for anaphylactic reaction due to unspecified food. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

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

A: initial encounter
D: subsequent encounter
S: sequela

Excludes2 inherited from the categories above T78.00

Not part of this code, but both may be coded when both are present.

Written on T78: Adverse effects, not elsewhere classified

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

Other codes that can never be billed with T78.00

Their own Excludes1 notes name this code, so the conflict is not listed above.

T75Other and unspecified effects of other external causes

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

Shock›anaphylactic›due to food(nonpoisonous)

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T78.00

3 child codes. Green means billable.