Specimen Requirements
Minimum of 2.0 mL plasma
Supplies for Submission
Gray Top (1) potassium oxalate
Specimen Collection
- Separate plasma from cells within 15 minutes of collection.
- 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 sodium flouride-potassium oxalate plasma.
- Transfer serum to the tube and refrigerate.
Storage Requirements
Refrigerated.
Specimens are stable if refrigerated for 2 weeks or frozen for 1 month.