Specimen Requirements

Container Type: Lithium Heparin (Green Top) or Serum Separator (Gold Top)
Specimen Type: Plasma or Serum
Preferred Volume: 1 mL
Emergency Minimum Volume: 0.3 mL
Patient Prep: Patient should be fasting 10-12 hours. Begin collection of 1, 2 and 3 hour specimens as directed by physician.
Specimen Processing: Separate serum or plasma from cells as soon as possible by centrifugation. Store and transport refrigerated.
Unacceptable Conditions: Hemolyzed specimens

Limitations: Not recommended for patients with Insulin autoantibody.
Alternate Specimens: Plain Serum Tube (Red Top), EDTA Plasma (Lavender Top)

Stability: