T78.1XXA Oth adverse food reactions, not elsewhere classified, init

Instructional Notes:

T78.1XXA
Description: Oth adverse food reactions, not elsewhere classified, init
↓
T78.1
Description: Other adverse food reactions, not elsewhere classified
Exclude1:
- anaphylactic reaction or shock due to adverse food reaction (T78.0-)
- anaphylactic reaction due to food (T78.0-)
- bacterial food borne intoxications (A05.-)
Exclude2:
- 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)
Use Additional Code:
- code to identify the type of reaction, if applicable
↓
T78
Description: Adverse effects, not elsewhere classified
Exclude2:
- complications of surgical and medical care NEC (T80-T88)
↓
T66-T78
Description: Other and unspecified effects of external causes (T66-T78)
↓
S00-T88
Description: Injury, poisoning and certain other consequences of external causes
Exclude2:
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Notes:
- 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
Use Additional Code:
- code to identify any retained foreign body, if applicable (Z18.-)