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Test Search for AHDC Clients

Each accession received will be charged a $5.00 accessioning fee, in addition to the requested testing.
Fees are subject to change without notice, please call the lab if you have any questions.
Contract pricing available. For information please refer to the contract billing page.

All test turnaround times are listed in business days and do not include Saturdays, Sundays or holidays.

Thyroid Panel, Canine: FT4d, T4, T3, TSH, TgA - THYPK9

Sample Details: 2.5 - 3 mL serum or heparinized plasma
Cost/Fee: $75.00
Comment: For more information, see Appendix C or Canine Thyroid Testing

Lab Section: Endocrinology

Description: Canine Thyroid Panel

Min Sample Volume: 1 mL

Collection Container: plastic or glass tube

Coolant: Refrigerate

Test Target: Analyte

Test Days: M, W

Test Turnaround (business days): 2-6 days

SpeciesSexTestReference Value
Canine T3 not determined

Measurement of free-T4 may be useful in differentiating dogs with true hypothyroidism from dogs with reduced thyroid function due to other chronic illness (e.g., hyperadrenocorticism, liver disease, diabetes), drug administration (e.g., glucocorticoids), and malnutrition. The free-T4 test may be a useful additional test in cats that are clinically hyperthyroid, but have normal total T3 and/or total T4 concentrations. Because we feel that the canine TSH test alone may be difficult to interpret, we recommend measuring it only in combination with other thyroid function tests. Taking into consideration the animal's history and results of the physical examination and other laboratory tests, possible interpretations are as follows. TOTAL T4 TOTAL T3 FREE-T4 TSH POSSIBLE INTERPRETATION low low low normal/high primary hypothyroid low normal/low normal/high normal sick euthyroid low normal/high low normal primary hypothyroid (early stage) low high low normal/high T3 autoantibody & hypothyroid low normal/low low normal secondary hypothyroidism normal normal normal normal euthyroid normal low normal normal/high euthyroid normal normal low normal/high not diagnostic for hypothyroidism high normal/low high normal T4 autoantibody/T4 replacement high normal/low low normal/high T4 autoantibody & hypothyroid high high high normal functional thyroid tumor high high low normal/high T3 & T4 autoantibody; hypothyroid

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