T78.4 Other and unspecified allergy

Non-Billable/Non-Specific

Type 1 Excludes

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)

Codes

T78.40Allergy, unspecified
- T78.40XA..., initial encounter
- T78.40XD..., subsequent encounter
- T78.40XS..., sequela
T78.41Arthus phenomenon
- T78.41XA..., initial encounter
- T78.41XD..., subsequent encounter
- T78.41XS..., sequela
T78.49Other allergy
- T78.49XA..., initial encounter
- T78.49XD..., subsequent encounter
- T78.49XS..., sequela