Tryptase
Test Summary
Tryptase concentrations are increased with immediate hypersensitivity (anaphylaxis), acute allergen challenge, and mastocytosis.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL frozen serum, received spun
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.
Patient Preparation
N/A
Storage
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: 7 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
N/A
Order Code
TRYPTS
EPIC (Premier) Code
LAB4528
Includes
N/A
CPT Code
- 83520
Billing Code
- 700000
CPT Statement
Methodology
Immunoassay (IA)
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Reference Range
<11.0 mcg/L
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: 1 day
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL frozen serum, received spun
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.
Patient Preparation
N/A
Storage
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: 7 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
N/A
Result Information
Methodology
Immunoassay (IA)
Testing Laboratory
N/A
Reference Range
<11.0 mcg/L
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: 1 day