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ICD-10 T78.3 - Angioneurotic edema
Chapter 19 Section T66-T78

T78.3

ICD-10 Not billable

Angioneurotic edema

Inclusion terms:
  • Allergic angioedema
  • Giant urticaria
  • Quincke's edema
Use additional code: code to identify any retained foreign body, if applicable (Z18.-) (per Chapter 19)
Specifically for this code:
  • serum urticaria (T80.6-)
  • urticaria (L50.-)
From Chapter 19:
  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
From Chapter 19:
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
T78.3 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
T78.3XXA
Angioneurotic edema, initial encounter
Billable
10
T78.3XXD
Angioneurotic edema, subsequent encounter
Billable
10
T78.3XXS
Angioneurotic edema, sequela
Billable
      
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