Is T78.0 a billable code?
No. T78.0 is a header code that groups 18 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T78.0: Anaphylactic reaction due to food
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T78.0 groups related diagnoses under anaphylactic reaction due to food. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T78.0
- 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
- T78.071AAnaphylactic reaction due to milk and dairy products with reactivity to baked milk, initial encounter
- T78.071DAnaphylactic reaction due to milk and dairy products with reactivity to baked milk, subsequent encounter
- T78.071SAnaphylactic reaction due to milk and dairy products with reactivity to baked milk, sequela
- T78.079AAnaphylactic reaction due to milk and dairy products, unspecified, initial encounter
- T78.079DAnaphylactic reaction due to milk and dairy products, unspecified, subsequent encounter
- T78.079SAnaphylactic reaction due to milk and dairy products, unspecified, sequela
- T78.080AAnaphylactic reaction due to egg with tolerance to baked egg, initial encounter
- T78.080DAnaphylactic reaction due to egg with tolerance to baked egg, subsequent encounter
- T78.080SAnaphylactic reaction due to egg with tolerance to baked egg, sequela
- T78.081AAnaphylactic reaction due to egg with reactivity to baked egg, initial encounter
- T78.081DAnaphylactic reaction due to egg with reactivity to baked egg, subsequent encounter
- T78.081SAnaphylactic reaction due to egg with reactivity to baked egg, sequela
- T78.089AAnaphylactic reaction due to eggs, unspecified, initial encounter
- T78.089DAnaphylactic reaction due to eggs, unspecified, subsequent encounter
- T78.089SAnaphylactic reaction due to eggs, unspecified, sequela
Other codes in T78 Adverse effects, not elsewhere classified
T78.0 questions
What does T78.0 mean?
T78.0 is the ICD-10-CM code for Anaphylactic reaction due to food. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.