T78.0

T78.0: Anaphylactic reaction due to food

Non-billable headerICD-10-CM

T78.0 is a non-billable header ICD-10-CM code for anaphylactic reaction due to 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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

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

Excludes2 inherited from the categories above T78.0

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 T78.0

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

R57Shock, not elsewhere classified
T61Toxic effect of noxious substances eaten as seafood
T62Toxic effect of other noxious substances eaten as food
T78.070Anaphylactic reaction due to milk and dairy products with tolerance to baked milk
T78.070AAnaphylactic reaction due to milk and dairy products with tolerance to baked milk, initial encounter
T78.070DAnaphylactic reaction due to milk and dairy products with tolerance to baked milk, subsequent encounter
T78.070SAnaphylactic reaction due to milk and dairy products with tolerance to baked milk, sequela
T78.071Anaphylactic reaction due to milk and dairy products with reactivity to baked milk

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T78.0

10 child codes. Green means billable.