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Mayo Clinic Laboratories

Test Code PTH PARATHYROID HORMONE

Important Note

Effective June 2, 2015 this test is now performed by the Aspen Valley Hospital Laboratory.

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