Centralized Core Laboratory:Chemistry
Purple top (EDTA) tube
2.5 mL (minimum 1.25 mL)
Sent to reference lab
Automated Chemiluminescent immunometric assay
Spin down in a refrigerated centrifuge and immediately separate plasma from cells. Morning (6 a.m. -10:30 a.m.) specimen is desirable.
For Outpatients, test should only be drawn in outpatient locations within a Hospital (Akron or Beeghly)
Reference Range: 10-60 pg/mL (a.m. draws)
No established reference range for p.m. draws.