Specimen Requirement (s)

Specimen:  Plasma

Type: Container/Tube:  White (K3EDTA) PPT (preferred) or Lavender (EDTA) tube. 

Plasma must be separated from cells within 2 hours of draw time - if lavendar drawn, plasma must be aliquoted off the cells within 2 hours of draw time.

Specimen Volume: full tube

Specimen Minimum Volume:  2 mL

Collection Instructions:

• Fasting recommended.
• Morning draw recommended due to diurnal rhythm.

Surgical:

• Order the PTH level before the case.
• Note time that parathyroid was removed.
• After specimen collection, call lab to come pick up the specimen.
• Lab personnel will pick up specimen from patient receiving.

Lab instructions:

• Plasma must be separated from cells within 2 hours of draw time.
• If lavender tube drawn, plasma must be aliquoted off the cells wtihn 2 hours of draw time.

Surgical

• Retrieve specimen from patient receiving.
• Test immediately.
• If there are delays, call pathologist and OR
• Call OR with results as soon as available.