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T78.4

Non-Billable (Header)

Other and unspecified allergy

Excludes 1 — Do NOT code together

  • 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)

Child Codes

T78.40Allergy, unspecified
T78.41Arthus phenomenon
T78.49Other allergy

Code Hierarchy

└T78Adverse effects, not elsewhere classified└T78.4Other and unspecified allergy
└T78.4Other and unspecified allergy

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