beta-tryptase in serum

Indications

• angioneurotic edema (within 4 hours)
  • anaphylaxis
  • mastocytosis

Reference interval

• < 11.4 ng/mL

Clinical significance

• elevation of serum beta-tryptase is a specific marker of mast cell activation
• not elevated in hereditary angioedema

Increases

• angioneurotic edema (within 4 hours)
• anaphylaxis
• mastocytosis

More general terms

• tryptase in serum

Additional terms

• angioneurotic edema; angioedema; atrophedema; Bannister's disease; Milton's disease; Quincke's disease; periodic or Quincke's edema; giant urticaria or hives; urticaria gigans, gigantea, or tuberosa.
• beta tryptase (trypase-beta)