Specimen Required

Patient Preparation: Patient should not be on any Steroids, ACTH, Gonadotropin, or Estrogen medications, if possible, for at 48 hours prior to collection of specimen.

Collection Container/Tube:

Preferred: Red Top

Acceptable: Serum gel or EDTA

Submission Container/Tube: Plastic vial

Specimen Volume: 3 mL

Collection Instructions:

1. Draw blood in plain red-top tube(s), serum gel tube(s) or EDTA is acceptable.

2. Centrifuge and aliquot 3 mL serum in a plastic vial.

3. Send frozen.