Parathyroid Hormone-Related Peptide, Plasma


Sunquest Code:PTHRP  
Epic Code:LAB5599Epic Name:PTH Related Peptide Test
Synonyms:PTHRP; Parathyroid Related Protein; PTH Related Peptide; PTH Related Protein
Methodology:High performance liquid chromatography/Tandem mass spectrometry
CPT Code:82542
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 2-6 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:3 mL
Minimum\Peds Volume:1.6 mL
Collection Instructions:A Protease Inhibitor tube (available through ARUP Client Services) and a winged collection set must be used. Filling collection tubes directly through a needle/tube-holder assembly is not recommended and increases the risk of chemical reflux back into the vein of the patient. Collection tubes are not sterile.
Causes for Rejection:Grossly hemolyzed specimens.


Processing and Shipping

Specimen Processing:Centrifuge within 1 hour of collection and aliquot 1.5 mL, 0.7 mL minimum. Store in freezer.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2010677


Interpretive

Reference Range:

Male

0.0-2.3 pmol/L

Female

0.0-3.4 pmol/L

 

 

Use:Aids in the evaluation of unexplained hypercalcemia, particularly in suspected hypercalcemia of malignancy.


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