Note: This category is to be used as the primary code to identify the effects, not elsewhere classifiable, of unknown, undetermined or ill-defined causes. For multiple coding purposes this category may be used as an additional code to identify the effects of conditions classified elsewhere.
Excludes: complications of surgical and medical care NEC (T80-T88)
T78.0
Anaphylactic shock due to adverse food reaction
T78.1
Other adverse food reactions, not elsewhere classified
Excludes: bacterial foodborne intoxications (A05.-)
dermatitis due to food (L27.2)
. in contact with the skin (L23.6, L24.6, L25.4)
T78.2
Anaphylactic shock, unspecified
Allergic shock NOS
Anaphylactic reaction NOS
Anaphylaxis NOS
Excludes: anaphylactic shock due to:
. adverse effect of correct medicinal substance properly administered (T88.6)
. adverse food reaction (T78.0)
. serum (T80.5)
T78.3
Angioneurotic oedema
Giant urticaria
Quincke's oedema
Excludes: urticaria (L50.-)
. serum (T80.6)
T78.4
Allergy, unspecified
Allergic reaction NOS
Hypersensitivity NOS
Idiosyncracy NOS
Excludes: allergic reaction NOS to correct medicinal substance properly administered (T88.7)
specified types of allergic reaction such as:
. allergic gastroenteritis and colitis (K52.2)
. dermatitis (L23-L25, L27.-)
. hay fever (J30.1)
T78.8
Other adverse effects, not elsewhere classified
T78.9
Adverse effect, unspecified
Excludes: adverse effect of surgical and medical care NOS (T88.9)