Specimen Requirements
3 mL EDTA plasma
Specimen Collection
Centrifuge sample and separate plasma from cells immediately. Transfer plasma to a plastic transport tube. Clearly label tube as EDTA plasma. Freeze. Critical Frozen (CFZ). If possible, patient should not have ingested steroids, acth, or hypertension medications for 48 hours prior to collection. When multiple tests are ordered, submit separate tube for this test.
Storage Requirements
Critical Frozen
Causes for Rejections
Hemolysis, Lipemia, Room temperature samples, Refrigerated samples, Serum samples