TEST ID PTHFNA PARATHYROID HORMONE (PTH) FINE NEEDLE ASPIRATE (FNA)
Performing Laboratory
NRLS-Core Chemistry
Specimen Type
Plasma AND Aspirate required
Specimen Required
Container/Tube:
Preferred: Lavender EDTA
Acceptable: None
Specimen Volume: 1.0 mL
Collection Instructions:
Plasma no gel and gel tubes should be centrifuged within 2 hours of collection. 4 hours is acceptable.
Container/Tube:
Preferred: Fine Needle Aspirate/Washing
Acceptable:
Specimen Volume: 1.0 mL
Collection Instructions:
Collection of fine needle aspirate is done by physician. The collection procedure is included here for reference only.
o Pull 2 mL of sterile saline into a 3 or 5 mL syringe. (AddiPAK 0.9% NaCl solution used for flu/RSV kits or can be obtained from RT)
o Attach a appropriate gauge needle to the syringe.
o At least 2 or 3 passes are made through the tissue of interest with the appropriate gauge needle while applying suction to the syringe.
o After aspiration of tissue, draw up 1 mL of saline through the needle used on the tissue.
o Using proper safety device transfer the aspirate saline solution into a 3mL EDTA tube.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type |
Temperature |
Time |
---|---|---|
Plasma/FNA | Refrigerated(preferred) | 8 hours |
Ambient | 4 hours | |
Frozen | 6 months |
Reference Values
An interpretive report will be provided