Parathyroid Hormone, Fine Needle Aspiration (FNA)
2001491
Ordering Recommendation
Aid in the differentiation of parathyroid tissue from thyroid tissue.
Mnemonic
PTH FNA
Methodology
Quantitative Electrochemiluminescent Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Submit With Order
Specimen Required
Patient Preparation
  
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.  
Unacceptable Conditions
Breast milk and, salivary fluid. Specimens too viscous to be aspirated by the instrument.  
Remarks
Indicate source on test request form.  
Stability
Ambient: 8 hours; Refrigerated: 24 hours; Frozen: 6 months  
Reference Interval
A reference interval has not been established for body fluid specimens.  
Interpretive Data
Parathyroid hormone (PTH) is measured by Roche electrochemiluminescent immunoassay. This test is FDA cleared but is not labeled for use with FNA fluid. The performance characteristics of this test were determined by ARUP.

See Compliance Statement B: www.aruplab.com/CS
Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
 
Note
 
CPT Code(s)
83970
Components
Component Test Code*Component Chart Name
2001492Parathyroid Hormone, FNA
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • FNA PTH
  • Parathyroid Hormone, Intact, Fine Needle Aspiration
  • PTH FNA
  • PTH Needle washout