Thyroglobulin, FNA Needle Wash

Interpretation

Method

Beckman Access thyroglobulin assay

Reference Range

See individual components

Ref. Range Notes

Based on publication Snozek CL et al., J Clin Endocrinol Metab (2007) 92(11):4278

Patient results determined by assays using different manufacturers, instruments, or methods may not be comparable.

Interferences and Limitations

Proper collection of the FNA wash is required. After collection and expulsion of cytology samples, the fine needle aspirate needles are rinsed in a total volume of 0.5-1.0 mL normal saline.

References

Snozek CL et al., J Clin Endocrinol Metab (2007) 92(11):4278

Ordering & Collection

Specimen Type

Fluid

Collection

After collection and expulsion of cytology samples, the fine needle aspirate biopsy needle are rinsed in total volume of 0.5 - 1 mL of normal saline and sent to the laboratory directly.

Handling Instructions

Most often 2 samples are received per patient. One is a fine needle aspirate (FNA) and the other is a Wash. EACH SAMPLE MUST BE ORDERED SEPARATELY WITH A DIFFERENT ACC#. Please do not combine the samples.

If only the FNA sample is received, the test will still be run.

Quantity

Requested: 1 mL fluid
Minimum: 0.5 mL fluid

Processing

Receiving Instructions

Freeze fluid at -20°C

Outside Laboratories: Collect sample as noted above. Refrigerate or Freeze sample for transport to UW-MT

Stability: up to 8 hours at Room Temperature; up to 14 days at 2-8°C; stable long term at -20°C. Avoid repeated freeze thaw cycles.

Misc Sendout

Performance

Lab Department

Chemistry, Automated Panels(CHA)

Frequency

twice a week

Available STAT?

No

Performing Location(s)

UW-MT	Chemistry, Special 206-520-4600 Clinical Lab, Room NW220, University of Washington Medical Center, 1959 NE Pacific street, Seattle, WA 98195

Billing & Coding

CPT Codes

84432

LOINC

53922-1

Interfaced Order Code

UOW3330