T78.120 - Other adverse food reaction due to egg with tolerance to baked egg
ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · T66-T78 Other and unspecified effects of external causes (T66-T78) · Subcategory of T78.12 · FY2027
Coding Guidance
T78.120 requires a 7th character. Report the code below that matches the documentation, for example A for initial encounter, D for subsequent encounter, S for sequela.
The appropriate 7th character is to be added to each code from category T78
Includes, Excludes and Coding Notes
Mutually exclusive: these conditions are never reported together with this code.
- Other adverse food reaction due to egg with reactivity to baked egg (T78.121)
Mutually exclusive: these conditions are never reported together with this code.
- anaphylactic reaction or shock due to adverse food reaction (T78.0-)
- anaphylactic reaction due to food (T78.0-)
- bacterial food borne intoxications (A05.-)
Not part of this code; report both codes when the patient has both conditions.
- allergic and dietetic gastroenteritis and colitis (K52.29)
- allergic rhinitis due to food (J30.5)
- dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
- dermatitis due to ingested food (L27.2)
- food protein-induced enterocolitis syndrome (K52.21)
- food protein-induced enteropathy (K52.22)
Add a secondary code to identify the associated condition or cause when it is documented.
- code to identify the type of reaction, if applicable
Not part of this code; report both codes when the patient has both conditions.
- complications of surgical and medical care NEC (T80-T88)
Report an additional code when both conditions apply.
- , 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-)
Not part of this code; report both codes when the patient has both conditions.
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Add a secondary code to identify the associated condition or cause when it is documented.
- code to identify any retained foreign body, if applicable (Z18.-)
Instructional notes from the ICD-10-CM tabular list.
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
More Specific Codes (3)
Related condition guides
Documentation requirements, coding pitfalls and FAQs for conditions coded with T78.120.
More specific codes for T78.120
Codes at the same level as T78.120