Measurement of thallium by inductively-coupled plasma/mass spectrometry. A $10.75 sample preparation fee will be added to tissue and feed specimens.
Specimen
One or more of the following:
0.50 mL EDTA whole blood or heparinized blood
5 g fresh liver
50 mg fresh liver biopsy (at least 3 Tru-Cut samples, no fluid added)
500 g feed
5 mL water
For birds, 0.30 mL EDTA whole blood is adequate.
Blood, serum, and urine samples are tested on Mondays, Wednesdays, and Thursdays with a turnaround time of 7 days. Tissue and feed samples are tested on Mondays and Thursdays with a turnaround time of 10 days.
Panel of tests including T3, T4, and FT4-ED. Together these results aid in diagnosing cats with clinical signs of hyperthyroidism but normal T4 results.