Parathyroid Hormone, Fine Needle Aspiration (FNA)
:2001491
Mnemonic: PTH FNA
Methodology:
Quantitative Electrochemiluminescent Immunoassay
Performed:
Sun-Sat
Reported:
Within 24 hours
Specimen Required:
Collect: Fine needle aspiration in saline. Also acceptable: Non-viscous body fluids. Also acceptable: Specimens collected in green (sodium or lithium heparin) or lavender (EDTA).
Specimen Preparation: Specimen must be non-viscous and free of particulate matter. Centrifuge to remove cellular material. Transport 0.5 mL saline needle rinse. (Min: 0.5 mL)
Storage/Transport Temperature: Frozen.
Remarks: Indicate source on test request form.
Unacceptable Conditions: Viscous specimens.
Stability (collection to initiation of testing): Ambient: 8 hours; Refrigerated: 24 hours; Frozen: 6 months
Reference Interval:
None
Interpretive Data:
Parathyroid hormone (PTH) is measured by the Roche E170 method. This test is FDA cleared but is not labeled for use with FNA fluid. The performance characteristics of this test were determined by ARUP.