Specimen collection
Venous collection
Used across 4 service lines — chemistry, endocrine, hematology, toxicology — for 144 analytes.
Venous serum
- Device
- Standard venipuncture
- Specimen
- Serum
- Volume
- Standard draw
- Collection
- Requires a licensed phlebotomist. AM draw preferred for cortisol and diurnally variable analytes.
- Transport
- FedEx in a clinical pack, or courier pickup where available
- Menu
- Full endocrine menu
Stability
- All analytes established to 5 days
Venous whole blood
- Device
- Standard venipuncture
- Specimen
- Whole blood, K2-EDTA (lavender)
- Collection
- Requires a licensed phlebotomist. Whole blood rather than serum, so the specimen is not centrifuged.
- Transport
- FedEx in a clinical pack, or courier pickup where available
- Menu
- Cell counts and differential, sedimentation rate, and haemoglobin A1c.