Specimen Requirements
Minimum of 4.0 mL plasma
Supplies for Submission
Lavender Top (1)
Specimen Collection
Protect sample from light during collection, storage, and transport.
- Centrifuge and separate plasma from cells immediately.
- Label a plastic transport tube with two identifiers. Acceptable identifiers include patient’s name, date of birth, social security number, requisition number, and medical record number.
Label the tube as EDTA plasma. - Transfer plasma to the tube, using a plastic transfer pipette.
- Freeze - send this aliquot separately when multiple tests are ordered.
Storage Requirements
Critical Frozen (CFZ)
Specimens are stable if refrigerated for 8 days or frozen for 2 months.
Causes for Rejections
Specimens stored at room temperature are not accepted.