T78 Adverse effects, not elsewhere classified

Category / Non-billable header 34 subcodes

Block: Other and unspecified effects of external causes (T66-T78)

Excludes 2 (not included here)

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

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
T78..0 Anaphylactic reaction due to food No
T78..00 Anaphylactic reaction due to unspecified food No
T78..01 Anaphylactic reaction due to peanuts No
T78..02 Anaphylactic reaction due to shellfish (crustaceans) No
T78..03 Anaphylactic reaction due to other fish No
T78..04 Anaphylactic reaction due to fruits and vegetables No
T78..05 Anaphylactic reaction due to tree nuts and seeds No
T78..06 Anaphylactic reaction due to food additives No
T78..07 Anaphylactic reaction due to milk and dairy products No
T78..070 Anaphylactic reaction due to milk and dairy products with tolerance to baked milk No
T78..071 Anaphylactic reaction due to milk and dairy products with reactivity to baked milk No
T78..079 Anaphylactic reaction due to milk and dairy products, unspecified No
T78..08 Anaphylactic reaction due to eggs No
T78..080 Anaphylactic reaction due to egg with tolerance to baked egg No
T78..081 Anaphylactic reaction due to egg with reactivity to baked egg No
T78..089 Anaphylactic reaction due to eggs, unspecified No
T78..09 Anaphylactic reaction due to other food products No
T78..1 Other adverse food reactions, not elsewhere classified No
T78..11 Other adverse food reactions due to milk and dairy products No
T78..110 Other adverse food reactions due to milk and dairy products with tolerance to baked milk No
T78..111 Other adverse food reaction due to milk and dairy products with reactivity to baked milk No
T78..119 Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified No
T78..12 Other adverse food reaction due to eggs No
T78..120 Other adverse food reaction due to egg with tolerance to baked egg No
T78..121 Other adverse food reaction due to egg with reactivity to baked egg No
T78..129 Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified No
T78..19 Other adverse food reactions, not elsewhere classified No
T78..2 Anaphylactic shock, unspecified No
T78..3 Angioneurotic edema No
T78..4 Other and unspecified allergy No
T78..40 Allergy, unspecified No
T78..41 Arthus phenomenon No
T78..49 Other allergy No
T78..8 Other adverse effects, not elsewhere classified No

Last reviewed: September 2026