ICD-10-CM T78.3: Angioneurotic edema

ICD-10-CM Diagnosis Code (2025)

Official Description for T78.3

Angioneurotic edema

Coding Notes & Guidelines for T78.3

Excludes1: Not Coded Here
  • serum urticaria (T80.6-)
  • urticaria (L50.-)
Inclusion Terms
  • Allergic angioedema
  • Giant urticaria
  • Quincke's edema

Parent Code (Less Specific):

T78 - Adverse effects, not elsewhere classified

About ICD-10-CM Code T78.3 (Angioneurotic edema)

ICD-10-CM code T78.3 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T78.3 became effective on October 1, 2024.

This page provides detailed information about T78.3 - Angioneurotic edema. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Angioneurotic edema.