Parathyroid Hormone Fine Needle Aspiration (FNA)


Abbrev Code:ARMISC   
Order Code:LAB4909Order Name:Send Outs Misc Test
Synonyms:PTH
Methodology:Electrochemiluminescent immunoassay
CPT Codes: 83970 x1
Turnaround Time:Specimens are sent to the reference laboratory Mon-Sat; results are reported within 1-2 days.
Special Instructions:Specimen source required.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.



Collection Instructions

Specimen:Fine needle aspirate in saline.
Optimal Volume:1 mL
Minimum\Peds Volume:0.5 mL
Container:Plastic leakproof container, sterile
Collection Instructions:Samples collected in a green (sodium heparin, no gel) tube or purple (EDTA) tube are also acceptable.
Causes for Rejection:Specimen sources other than those indicated. Specimens too viscous to be aspirated by the instrument. Grossly hemolyzed samples. Grossly lipemic samples.


Processing and Shipping

Specimen Processing:Specimen must be non-viscous non-hemolyzed, and free of particulate matter. Centrifuge to remove cellular material and visible hemolysis, and aliquot 1 mL; 0.5 mL minimum. Store frozen.
Shipping Instructions:Ship frozen.
Stability:8 hours at room temperature; 24 hours refrigerated; 6 months frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2001491


Interpretive

Reference Range:A reference interval has not been established for body fluid specimens.
Use:Aid in the differentiation of parathyroid tissue from thyroid tissue.


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