test directorySearch Results
Click here to search again.
Test Name:
Parathyroid Hormone, Intact, Blood
- SBMF No:
35296 - Performance Lab Name:
Automated Lab - Test Mnemonic:
PTH ONLY - ABN:
May be required – Medical Necessity - CPT Code:
83970 - LOINC Code:
2731-8 - Also Known As:
Intact PTH
PTH, Intact - Spec Type:
Plasma or whole blood - Spec Container:
Lavender top (EDTA) tube - Alt Spec Type:
Serum - Alt Spec Container:
Red top (serum) tube - Pref Vol:
Plasma or serum: 1.0 mL
Whole blood: 4.0 mL - Min Vol:
Plasma or serum: 0.5 mL
Whole blood: 2.0 mL - Fasting:
Yes - Spec Collect:
Routine venipuncture - Spec Process:
Plasma (EDTA) sample:
• Promptly centrifuge 15 minutes
• Immediately transfer plasma to separate plastic tube
• Note "PTH - Plasma" on specimen label
• Refrigerate (up to 72 hours) or freeze
Whole blood (EDTA) sample:
• Do not centrifuge
• Do not remove plasma from cells
• Refrigerate and transport refrigerated (up to 48 hours)
Serum sample:
• Clot 30 minutes
• Promptly centrifuge 15 minutes
• Immediately transfer serum to separate plastic tube
• Note "PTH - Serum" on specimen label
• Freeze serum sample within 2 hours of collection - Spec Store Transport:
Plasma: Refrigerated (up to 48 hours) or frozen
Whole blood: Refrigerated (up to 48 hours)
Serum: Frozen - Spec Stability:
Plasma (EDTA): 72 hours refrigerated (2-8°C)
Plasma (EDTA) or Serum: 6 months frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles
Whole blood (EDTA): 48 hours refrigerated (2-8°C) - Spec Reject:
Hemolyzed sample - Methodology:
Electrochemiluminescent Immunoassay (ECLIA) - Use:
An important aid in the diagnosis of calcium metabolism disorders - Reference Range:
15-72 pg/mL - Day Run:
Sat-Sun (daily) - Time Run:
As received - Time Reported:
4 hours - Test Type:
HORMONE
