Posted Date
Effective Date
Test Name Tryptase, Serum
Update Type New Tests
CPT Code 83520
Order Code TRYP



Tryptase, Serum

Order Code:                  TRYP

Fee Code:                     KA051

CPT Code:                    83520


Michigan Medicine Laboratories Special Chemistry Laboratory will begin performing Tryptase, Serum, effective February 22, 2022. This test will replace Mayo Clinic Laboratories TRYPT (order code TRYPT).


Collection Instructions: Collect specimen in an SST tube. Aliquot 0.5 mL (minimum 0.2 mL) of serum into a plastic vial and refrigerate.

Test Methodology: Fluorescence enzyme immunoassay (FEIA)


Reference Range: <11.5 ng/mL