T78

Adverse effects, not elsewhere classified

complications of surgical and medical care NEC (T80-T88)

The appropriate 7th character is to be added to each code from category T78

initial encounter
subsequent encounter
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

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

anaphylactic reaction or shock due to adverse food reaction (T78.0-)
anaphylactic reaction due to food (T78.0-)
bacterial food borne intoxications (A05.-)

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

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-)

Allergic shock
Anaphylactic reaction
Anaphylaxis

T78.3

Angioneurotic edema

serum urticaria (T80.6-)
urticaria (L50.-)

Allergic angioedema
Giant urticaria
Quincke's edema

T78.4

Other and unspecified allergy

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