Is T78.120 a billable code?
No. T78.120 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T78.120: Other adverse food reaction due to egg with tolerance to baked egg
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T78.120 groups related diagnoses under other adverse food reaction due to egg with tolerance to baked egg. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T78.120
- T78.120AOther adverse food reaction due to egg with tolerance to baked egg, initial encounter
- T78.120DOther adverse food reaction due to egg with tolerance to baked egg, subsequent encounter
- T78.120SOther adverse food reaction due to egg with tolerance to baked egg, sequela
Other codes in T78.12 Other adverse food reaction due to eggs
T78.120 questions
What does T78.120 mean?
T78.120 is the ICD-10-CM code for Other adverse food reaction due to egg with tolerance to baked egg. 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.