T78.3 Angioneurotic edema

Non-billable ICD-10-CM code.

Applicable to

• Allergic angioedema
• Giant urticaria
• Quincke's edema

Excludes1 (never code together)

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

Applies from T78 Adverse effects, not elsewhere classified

Excludes2 (not included here)

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

7th character note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to T78.3

Back-references to T78.3

• Type 1 Excludes: L50 Urticaria ("angioneurotic edema (T78.3)")
• Type 1 Excludes: L50 Urticaria ("giant urticaria (T78.3)")
• Type 1 Excludes: L50 Urticaria ("Quincke's edema (T78.3)")
• Type 1 Excludes: R60 Edema, not elsewhere classified ("angioneurotic edema (T78.3)")

Back-references to T78

• Type 1 Excludes: T75 Other and unspecified effects of other external causes ("adverse effects NEC (T78.-)")

Diagnosis Index entries for T78.3

• Allergy, allergic (reaction) (to) › angioneurotic edema
• Angioedema (allergic) (any site) (with urticaria)
• Angioneurotic edema (allergic) (any site) (with urticaria)
• Bannister's disease
• Disease, diseased › Bannister's
• Edema, edematous (infectious) (pitting) (toxic) › allergic
• Edema, edematous (infectious) (pitting) (toxic) › angioneurotic (allergic) (any site) (with urticaria)
• Edema, edematous (infectious) (pitting) (toxic) › circumscribed, acute
• Edema, edematous (infectious) (pitting) (toxic) › essential, acute
• Edema, edematous (infectious) (pitting) (toxic) › glottis, glottic, glottidis (obstructive) (passive) › allergic
• Edema, edematous (infectious) (pitting) (toxic) › periodic
• Edema, edematous (infectious) (pitting) (toxic) › Quincke's
• Giant › urticaria
• Quincke's disease or edema
• Urticaria › with angioneurotic edema
• Urticaria › giant
• Urticaria › gigantea
• Urticaria › larynx

Nearby codes

• T78.19XS Other adverse food reactions, not elsewhere classified, sequela
• T78.2 Anaphylactic shock, unspecified
• T78.2XXA Anaphylactic shock, unspecified, initial encounter
• T78.2XXD Anaphylactic shock, unspecified, subsequent encounter
• T78.2XXS Anaphylactic shock, unspecified, sequela
• T78.3 Angioneurotic edema (this code)
• T78.3XXA Angioneurotic edema, initial encounter
• T78.3XXD Angioneurotic edema, subsequent encounter
• T78.3XXS Angioneurotic edema, sequela
• T78.4 Other and unspecified allergy
• T78.40 Allergy, unspecified