ARUP Test Catalog
ARUP Consult Guide
Lab Tests Online
 
Parathyroid Hormone (PTH) - Related Peptide

Mnemonic:    [PTH RP]
Name:    Parathyroid Hormone (PTH) - Related Peptide
Specimen:    1.5 mL Collect: Protease Inhibitor Tube. This is the only acceptable collection tube.

Specimen Preparation: A winged collection set (Butterfly) must be used to fill the Protease Inhibitor Tube. If this is the only tube collected, a waste tube should be collected first and discarded.

NOT RECOMMENDED: Filling collection tubes directly through a needle/tube-holder assembly increases the risk of chemical reflux back into the vein of the patient.

WARNING: Collection tubes are NOT STERILE.

Mix Collection tube thoroughly. Separate the plasma from cells within 1 hour of collection in a refrigerated centrifuge. Transfer 1.5 mL plasma to an ARUP Standard Transport Tube and freeze. (Min: 0.5 mL) Do not submit the collection tube for testing.

Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions: Grossly hemolyzed specimens.
Minimum Spec:    0.5 mL
Transport Temp:    FREEZE
Spec Stability:    Stable 3 days refrigerated.
Ref Lab/Code:    ARUP 2010677
  Method:    Chemiluminescent Immunoassay
Processing Info:    The Protease Collection tubes are kept in the lab refrigerator (Helmer #7)

MOB: Call Central Receiving so they know the sample is coming and so they can chill the centrifuge.