19th March 2024

You review a 19 year old male in allergy clinic following a referral from the hospital

You review a 19 year old male in allergy clinic following a referral from the hospital. He describes that he was admitted after experiencing tongue swelling, voice changes and subsequent collapse following a dose of antibiotics for a dental abscess. On review, he recovered quickly with two doses of IM adrenaline and left the department after 6 hours of observation. When you see him in clinic he asks about his blood tests which were taken during the acute episode. Which of the following is true regarding serum mast cell tryptase?

Select the SINGLE most appropriate option from the list below. Select ONE option only.