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HelpParathyroid Hormone (PTH) Reflex PTH Related Peptide
Additional Codes
LAB707
Performing Laboratory
MBMC Main Laboratory
Methodology
Electro-Chemiluminescent Immunoassay (ECLIA)
Testing Algorithm
When PTH intact is < 50 pg/mL reflex to PTHrp
Specimen Requirements
Specimen Type: Whole blood
Container/Tube: Pearl-top (EDTA), plastic tube
Second tube for possible Reflex testing: Chilled Lavender top (EDTA)- place on ice immediately
Alternative Container/ Tube: Lavender top (EDTA)
Specimen Volume: Full tube
Specimen Transport Temperature
PTH: Ambient
PTH Related Peptide - keep on wet ice
Sendout Specimen Handling
If reflexed to PTH Related Peptide, following handling instructions:
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Ice-cooled, lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.7 mL
Processing Instructions:
1. Centrifuge specimen in a refrigerated centrifuge or in chilled centrifuge cups.
2. Aliquot plasma into plastic vial and freeze.
Stability
3 days Refrigerated
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours
Reference Values
18-59 pg/mL
Test Classification and CPT Coding
Test Classification:This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.
CPT Code:
83970
82397 (if applicable)