Other and unspecified effects of external causes (T66-T78)
T78: Adverse effects, not elsewhere classified

excludes2
complications of surgical and medical care NEC (T80-T88)

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

sevenChrDef
A: initial encounter
D: subsequent encounter
S: sequela
T78.0: Anaphylactic reaction due to food
T78.1: Other adverse food reactions, not elsewhere classified
T78.2: Anaphylactic shock, unspecified
T78.3: Angioneurotic edema
T78.4: Other and unspecified allergy
T78.8: Other adverse effects, not elsewhere classified

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