ICD-10-CM code "T78.4": Other and unspecified allergy (2024)

Overview

ICD-10 CodeT78.4
DescriptionOther and unspecified allergy
Hierarchy
  1. Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. Other and unspecified effects of external causes (T66-T78)
  3. Adverse effects, not elsewhere classified (T78)
  4. Other and unspecified allergy (T78.4)
Billable statusNon billable code

Excludes

  1. Injury, poisoning and certain other consequences of external causes (S00-T88)

    Type 1birth trauma (P10-P15)

    Type 1obstetric trauma (O70-O71)

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

    Type 2complications of surgical and medical care NEC (T80-T88)

  4. Other and unspecified allergy (T78.4)

    Type 1specified types of allergic reaction such as:

    Type 1allergic diarrhea (K52.29)

    Type 1allergic gastroenteritis and colitis (K52.29)

    Type 1dermatitis (L23-L25, L27.-)

    Type 1food protein-induced enterocolitis syndrome (K52.21)

    Type 1food protein-induced enteropathy (K52.22)

    Type 1hay fever (J30.1)

Includes

  1. Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. Other and unspecified effects of external causes (T66-T78)
  3. Adverse effects, not elsewhere classified (T78)
  4. Other and unspecified allergy (T78.4)

Subcategories