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PTH-Related Protein (PTH-rP) : 34478
Test CodePTHP or 34478
Alias/See Also
Parathyroid Hormone Related Pepide; PTH Related Peptide; PTH Related Protein
CPT Codes
83519
Instructions
Green top (no gel) sodium heparin tube.
Transport Container
Separate the plasma from cells as soon as possible by centrifugation. Transfer 0.5 mL plasma to a Standard Transport Tube (Min: 0.3 mL).
Transport Temperature
Refrigerated.
Specimen Stability
After separation from cells: Ambient: 7 days; Refrigerated: 7 days; Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Whole blood.
Methodology
Immunoassay
Setup Schedule
Tuesday - Friday
Report Available
2-3 days (From receipt at performing laboratory)
Limitations
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Reference Range
Effective 9/27/2021
11-20 pg/mL
This is a C-terminal PTH-RP assay. Elevated results may be observed in patients with renal disease.
11-20 pg/mL
This is a C-terminal PTH-RP assay. Elevated results may be observed in patients with renal disease.
Clinical Significance
Differential diagnosis of hypercalcemia; manage patients with solid tumors and hypercalcemia.
Performing Laboratory
Quest Diagnostics
