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Endocrinology canine T3 (Triiodothyronine) reference range update

Wednesday, January 10, 2024

A recent review of normal canine thyroid samples has led the Endocrinology Laboratory to edit our T3 reference values. The previous range was 60 – 140 ng/dL. You will now find the canine T3 reference range to be 20 – 90 ng/dL. There will be no change in T3 reference values for any other species.