A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Tryptase

Test Code
34484


CPT Codes
83520

Preferred Specimen
1 mL frozen serum


Minimum Volume
0.5 mL


Instructions
Samples should be obtained between 15 minutes and 3 hours after the event suspected of causing mast cell activation. When sample is drawn, separate serum from cells within 3 hours of collection.


Transport Temperature
Frozen


Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days


Methodology
Immunoassay (IA)

Setup Schedule
A.M. Sets up 2 days a week.


Report Available
Reports in 3 to 4 days.


Clinical Significance
Tryptase concentrations are increased with immediate hypersensitivity (anaphylaxis), acute allergen challenge, and mastocytosis.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.