Thyroid Panel with Ferritin and Vitamin D - (LABCORP)
Significant deviations from the normal range may require further evaluation by your physician.
Thyroid Antibodies: Thyroid Peroxidase (TPO) Ab; Antithyroglobulin Ab (TAA or TgAb)
Thyroid-Stimulating Hormone (TSH)
Thyroxine Free (FT4), Direct
Tri-iodothyronine Free, Serum (FT3)
Vitamin D, 25-Hydroxy
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H or coenzyme R). It is recommended to stop biotin consumption at least 72 hours prior to the collection of specimen. Vitamin D, 25-Hydroxy is not the same as calcitriol or 1,25 dihydroxy. Calcitriol/Vitamin D, 1,25 Dihydroxy must be ordered separately.