Test Code PTH PARATHYROID HORMONE
Additional Codes
PTH, Intact
Specimen Requirements
PREFERRED:
Plasma
Container/Tube: EDTA (purple-top)
Specimen: 1mL plasma
Transport Temperature: ambient
Collection Instructions: spin down immediately, remove plasma and place in separate plastic vial. Label vial appropriately, including "EDTA plasma".
ALTERNATE:
Serum
Container/Tube: Gold-top serum gel tube
Specimen: Gold-top serum gel tube or serum from plain Red-top tube
Transport Temperature: Ambient
Collection Instructions: Gold-top tube = Allow specimen to clot for approximately 10 minutes and spin down. Send entire tube to the laboratory.
Red-top tube = Allow specimen to clot for approximately 10 minutes and spin down. Separate serum and place into a plastic vial. Label appropriately, including notation "Serum".
Reference Values
8.7 - 77.1 pg/mL
Day(s) Test Set Up
Wednesday; results available same day.
Test Classification and CPT Coding
83970
Methodology
Chemiluminometric Immunoassay