ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 19  /  T66-T78  /  T78
T78 Adverse effects, not elsewhere classified
Excludes2 complications of surgical and medical care NEC (T80-T88)
char7Note The appropriate 7th character is to be added to each code from category T78
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T78.0 Anaphylactic reaction due to food
Anaphylactic reaction due to adverse food reaction
Anaphylactic shock or reaction due to nonpoisonous foods
Anaphylactoid reaction due to food
T78.00 Anaphylactic reaction due to unspecified food
T78.01 Anaphylactic reaction due to peanuts
T78.02 Anaphylactic reaction due to shellfish (crustaceans)
T78.03 Anaphylactic reaction due to other fish
T78.04 Anaphylactic reaction due to fruits and vegetables
T78.05 Anaphylactic reaction due to tree nuts and seeds
Excludes2 anaphylactic reaction due to peanuts (T78.01)
T78.06 Anaphylactic reaction due to food additives
T78.07 Anaphylactic reaction due to milk and dairy products
T78.08 Anaphylactic reaction due to eggs
T78.09 Anaphylactic reaction due to other food products
T78.1 Other adverse food reactions, not elsewhere classified
UseAdditionalCode code to identify the type of reaction, if applicable
Excludes1 anaphylactic reaction or shock due to adverse food reaction (T78.0-)
anaphylactic reaction due to food (T78.0-)
bacterial food borne intoxications (A05.-)
Excludes2 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)
T78.2 Anaphylactic shock, unspecified
Allergic shock
Anaphylactic reaction
Anaphylaxis
Excludes1 anaphylactic reaction or shock due to adverse effect of correct medicinal substance properly administered (T88.6)
anaphylactic reaction or shock due to adverse food reaction (T78.0-)
anaphylactic reaction or shock due to serum (T80.5-)
T78.3 Angioneurotic edema
Allergic angioedema
Giant urticaria
Quincke's edema
Excludes1 serum urticaria (T80.6-)
urticaria (L50.-)
T78.4 Other and unspecified allergy
Excludes1 specified types of allergic reaction such as:
allergic diarrhea (K52.29)
allergic gastroenteritis and colitis (K52.29)
dermatitis (L23-L25, L27.-)
food protein-induced enterocolitis syndrome (K52.21)
food protein-induced enteropathy (K52.22)
hay fever (J30.1)
T78.40 Allergy, unspecified
Allergic reaction NOS
Hypersensitivity NOS
T78.41 Arthus phenomenon
Arthus reaction
T78.49 Other allergy
T78.8 Other adverse effects, not elsewhere classified