T78.3⚠ Requires 7th Character

Angioneurotic edema

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category T78

This code is not valid for billing without a 7th character. Append one of the following to T78.3:

Ainitial encounterT78.3XXADsubsequent encounterT78.3XXDSsequelaT78.3XXS

Inclusion Terms

  • •Allergic angioedema
  • •Giant urticaria
  • •Quincke's edema

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to T78.3 in the official ICD-10-CM Alphabetic Index.

Allergy, allergic (reaction) (to), angioneurotic edemaAngioedema (allergic) (any site) (with urticaria)Angioneurotic edema (allergic) (any site) (with urticaria)Bannister's diseaseDisease, diseased, Bannister'sEdema, edematous (infectious) (pitting) (toxic), Quincke'sEdema, edematous (infectious) (pitting) (toxic), allergicEdema, edematous (infectious) (pitting) (toxic), angioneurotic (allergic) (any site) (with urticaria)Edema, edematous (infectious) (pitting) (toxic), circumscribed, acuteEdema, edematous (infectious) (pitting) (toxic), essential, acuteEdema, edematous (infectious) (pitting) (toxic), glottis, glottic, glottidis (obstructive) (passive), allergicEdema, edematous (infectious) (pitting) (toxic), periodicGiant, urticariaQuincke's disease or edemaUrticaria, giantUrticaria, giganteaUrticaria, larynxUrticaria, with angioneurotic edema

✗ Excludes 1(Not coded here)

  • •serum urticaria (T80.6-)
  • •urticaria (L50.-)

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├T66-T78Other and unspecified effects of external causes (T66-T78)├T78Adverse effects, not elsewhere classified
└T78.3Angioneurotic edema

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