T78: Adverse effects, not elsewhere classified

Codes under T78 (Adverse effects, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
T78.0	Anaphylactic reaction due to food	—
T78.00	Anaphylactic reaction due to unspecified food	—
T78.00XA	Anaphylactic reaction due to unspecified food, initial encounter	✓
T78.00XD	Anaphylactic reaction due to unspecified food, subsequent encounter	✓
T78.00XS	Anaphylactic reaction due to unspecified food, sequela	✓
T78.01	Anaphylactic reaction due to peanuts	—
T78.1	Other adverse food reactions, not elsewhere classified	—
T78.01XA	Anaphylactic reaction due to peanuts, initial encounter	✓
T78.01XD	Anaphylactic reaction due to peanuts, subsequent encounter	✓
T78.01XS	Anaphylactic reaction due to peanuts, sequela	✓
T78.02	Anaphylactic reaction due to shellfish (crustaceans)	—
T78.2	Anaphylactic shock, unspecified	—
T78.02XA	Anaphylactic reaction due to shellfish (crustaceans), initial encounter	✓
T78.02XD	Anaphylactic reaction due to shellfish (crustaceans), subsequent encounter	✓
T78.02XS	Anaphylactic reaction due to shellfish (crustaceans), sequela	✓
T78.2XXA	Anaphylactic shock, unspecified, initial encounter	✓
T78.2XXD	Anaphylactic shock, unspecified, subsequent encounter	✓
T78.2XXS	Anaphylactic shock, unspecified, sequela	✓
T78.03	Anaphylactic reaction due to other fish	—
T78.3	Angioneurotic edema	—
T78.03XA	Anaphylactic reaction due to other fish, initial encounter	✓
T78.03XD	Anaphylactic reaction due to other fish, subsequent encounter	✓
T78.03XS	Anaphylactic reaction due to other fish, sequela	✓
T78.3XXA	Angioneurotic edema, initial encounter	✓
T78.3XXD	Angioneurotic edema, subsequent encounter	✓
T78.3XXS	Angioneurotic edema, sequela	✓
T78.04	Anaphylactic reaction due to fruits and vegetables	—
T78.4	Other and unspecified allergy	—
T78.04XA	Anaphylactic reaction due to fruits and vegetables, initial encounter	✓
T78.04XD	Anaphylactic reaction due to fruits and vegetables, subsequent encounter	✓
T78.04XS	Anaphylactic reaction due to fruits and vegetables, sequela	✓
T78.05	Anaphylactic reaction due to tree nuts and seeds	—
T78.05XA	Anaphylactic reaction due to tree nuts and seeds, initial encounter	✓
T78.05XD	Anaphylactic reaction due to tree nuts and seeds, subsequent encounter	✓
T78.05XS	Anaphylactic reaction due to tree nuts and seeds, sequela	✓
T78.06	Anaphylactic reaction due to food additives	—
T78.06XA	Anaphylactic reaction due to food additives, initial encounter	✓
T78.06XD	Anaphylactic reaction due to food additives, subsequent encounter	✓
T78.06XS	Anaphylactic reaction due to food additives, sequela	✓
T78.07	Anaphylactic reaction due to milk and dairy products	—
T78.08	Anaphylactic reaction due to eggs	—
T78.8	Other adverse effects, not elsewhere classified	—
T78.8XXA	Other adverse effects, not elsewhere classified, initial encounter	✓
T78.8XXD	Other adverse effects, not elsewhere classified, subsequent encounter	✓
T78.8XXS	Other adverse effects, not elsewhere classified, sequela	✓
T78.09	Anaphylactic reaction due to other food products	—
T78.09XA	Anaphylactic reaction due to other food products, initial encounter	✓
T78.09XD	Anaphylactic reaction due to other food products, subsequent encounter	✓
T78.09XS	Anaphylactic reaction due to other food products, sequela	✓
T78.11	Other adverse food reactions due to milk and dairy products	—
T78.12	Other adverse food reaction due to eggs	—
T78.19	Other adverse food reactions, not elsewhere classified	—
T78.19XA	Other adverse food reactions, not elsewhere classified, initial encounter	✓
T78.19XD	Other adverse food reactions, not elsewhere classified, subsequent encounter	✓
T78.19XS	Other adverse food reactions, not elsewhere classified, sequela	✓
T78.40	Allergy, unspecified	—
T78.40XA	Allergy, unspecified, initial encounter	✓
T78.40XD	Allergy, unspecified, subsequent encounter	✓
T78.40XS	Allergy, unspecified, sequela	✓
T78.41	Arthus phenomenon	—
T78.41XA	Arthus phenomenon, initial encounter	✓
T78.41XD	Arthus phenomenon, subsequent encounter	✓
T78.41XS	Arthus phenomenon, sequela	✓
T78.49	Other allergy	—
T78.49XA	Other allergy, initial encounter	✓
T78.49XD	Other allergy, subsequent encounter	✓
T78.49XS	Other allergy, sequela	✓
T78.070	Anaphylactic reaction due to milk and dairy products with tolerance to baked milk	—
T78.070A	Anaphylactic reaction due to milk and dairy products with tolerance to baked milk, initial encounter	✓
T78.070D	Anaphylactic reaction due to milk and dairy products with tolerance to baked milk, subsequent encounter	✓
T78.070S	Anaphylactic reaction due to milk and dairy products with tolerance to baked milk, sequela	✓
T78.071	Anaphylactic reaction due to milk and dairy products with reactivity to baked milk	—
T78.071A	Anaphylactic reaction due to milk and dairy products with reactivity to baked milk, initial encounter	✓
T78.071D	Anaphylactic reaction due to milk and dairy products with reactivity to baked milk, subsequent encounter	✓
T78.071S	Anaphylactic reaction due to milk and dairy products with reactivity to baked milk, sequela	✓
T78.079	Anaphylactic reaction due to milk and dairy products, unspecified	—
T78.079A	Anaphylactic reaction due to milk and dairy products, unspecified, initial encounter	✓
T78.079D	Anaphylactic reaction due to milk and dairy products, unspecified, subsequent encounter	✓
T78.079S	Anaphylactic reaction due to milk and dairy products, unspecified, sequela	✓
T78.080	Anaphylactic reaction due to egg with tolerance to baked egg	—
T78.080A	Anaphylactic reaction due to egg with tolerance to baked egg, initial encounter	✓
T78.080D	Anaphylactic reaction due to egg with tolerance to baked egg, subsequent encounter	✓
T78.080S	Anaphylactic reaction due to egg with tolerance to baked egg, sequela	✓
T78.081	Anaphylactic reaction due to egg with reactivity to baked egg	—
T78.081A	Anaphylactic reaction due to egg with reactivity to baked egg, initial encounter	✓
T78.081D	Anaphylactic reaction due to egg with reactivity to baked egg, subsequent encounter	✓
T78.081S	Anaphylactic reaction due to egg with reactivity to baked egg, sequela	✓
T78.089	Anaphylactic reaction due to eggs, unspecified	—
T78.089A	Anaphylactic reaction due to eggs, unspecified, initial encounter	✓
T78.089D	Anaphylactic reaction due to eggs, unspecified, subsequent encounter	✓
T78.089S	Anaphylactic reaction due to eggs, unspecified, sequela	✓
T78.110	Other adverse food reactions due to milk and dairy products with tolerance to baked milk	—
T78.110A	Other adverse food reactions due to milk and dairy products with tolerance to baked milk, initial encounter	✓
T78.110D	Other adverse food reactions due to milk and dairy products with tolerance to baked milk, subsequent encounter	✓
T78.110S	Other adverse food reactions due to milk and dairy products with tolerance to baked milk, sequela	✓
T78.111	Other adverse food reaction due to milk and dairy products with reactivity to baked milk	—
T78.111A	Other adverse food reaction due to milk and dairy products with reactivity to baked milk, initial encounter	✓
T78.111D	Other adverse food reaction due to milk and dairy products with reactivity to baked milk, subsequent encounter	✓
T78.111S	Other adverse food reaction due to milk and dairy products with reactivity to baked milk, sequela	✓
T78.119	Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified	—
T78.119A	Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, initial encounter	✓
T78.119D	Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, subsequent encounter	✓
T78.119S	Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified, sequela	✓
T78.120	Other adverse food reaction due to egg with tolerance to baked egg	—
T78.120A	Other adverse food reaction due to egg with tolerance to baked egg, initial encounter	✓
T78.120D	Other adverse food reaction due to egg with tolerance to baked egg, subsequent encounter	✓
T78.120S	Other adverse food reaction due to egg with tolerance to baked egg, sequela	✓
T78.121	Other adverse food reaction due to egg with reactivity to baked egg	—
T78.121A	Other adverse food reaction due to egg with reactivity to baked egg, initial encounter	✓
T78.121D	Other adverse food reaction due to egg with reactivity to baked egg, subsequent encounter	✓
T78.121S	Other adverse food reaction due to egg with reactivity to baked egg, sequela	✓
T78.129	Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified	—
T78.129A	Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, initial encounter	✓
T78.129D	Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, subsequent encounter	✓
T78.129S	Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified, sequela	✓

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