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PTH-Related Protein (PTH-rP) [34478Z]
Test CodeS51608
CPT Codes
83519
Preferred Specimen
0.5 mL plasma collected in a sodium heparin (green-top) tube
Minimum Volume
0.3 mL
Instructions
Sodium heparin tubes only: Centrifuge the specimen as soon as possible.
Transfer the plasma to a plastic screw-cap vial. Mark the specimen type as plasma on the transport tube. Do not submit unspun tubes.
Transfer the plasma to a plastic screw-cap vial. Mark the specimen type as plasma on the transport tube. Do not submit unspun tubes.
Transport Container
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Whole blood
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Tues-Fri; Report available: 2-3 days
Clinical Significance
Differential diagnosis of hypercalcemia; manage patients with solid tumors and hypercalcemia.
