Parathyroid Hormone-Related Peptide (PTHrP)
0093014
Ordering Recommendation
Aid in the evaluation of unexplained hypercalcemia, particularly in suspected hypercalcemia of malignancy.
Submit With Order
Mnemonic
PTH RELPEP
Methodology
Quantitative Immunoradiometry
Performed
Wed, Thu, Sat
Reported
2-6 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Protease Inhibitor tube (PPACK; Phe-Pro-Arg-cholormethylketone).  
Specimen Preparation
Protease Inhibitor tube (ARUP supply #49662), available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. A winged collection set must be used. 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 by centrifugation. Transfer 1 mL plasma to an ARUP Standard Transport Tube and freeze. (Min: 0.5 mL) Do not submit the collection tube for testing.  
Storage/Transport Temperature
Frozen. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Grossly hemolyzed specimens.  
Remarks
 
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: 72 hours; Frozen: 3 months  
Reference Interval
Effective August 20, 2012

0.0-4.0 pmol/L
Interpretive Data


See Compliance Statement D: www.aruplab.com/CS
Note
CPT Code(s)
83519
Components
Component Test Code*Component Chart Name
0093016Parathyroid Hormone Related Peptide
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • HHM, Parathyroid Hormone Related Peptide
  • Humoral Hypercalcemia of Malignancy Factor
  • Parathyroid Hormone Related Protein
  • Parathyroid Related Polypeptide
  • Parathyroid Related Protein
  • PRP
  • PTH Related Peptide
  • PTH Related Protein
  • PTH-RP
  • PTHrP secretion
  • PTHRP, Plasma