Lab
Thyroid Function Summary
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Thyroid Function Summary
See Also
Thyroid Function Test
Triiodothyronine
(
Free T3
)
Thyroxine
(
Free T4
)
Thyroid Stimulating Hormone
(TSH)
Free Thyroxine Index
(
Free T4 Index
)
Thyroxine Binding Globulin
(TBG)
Thyroid Releasing Hormone
(TRH)
Antithyroid Antibody
Thyroxine Replacement
Hypothyroidism
Hyperthyroidism
Hypothyroidism in Pregnancy
Thyroid Dysfunction in Pregnancy
Findings
Hyperthyroidism
Increased
Thyroxine
(T4) and
Triiodothyronine
(T3)
Free T4
(fT4) and
Free T3
(fT3)
T3 Resin Uptake
(
T3RU
) and
Free Thyroxine Index
(FTI)
Reverse T3
(rT3)
Decreased
Thyroid Stimulating Hormone
(TSH)
Thyroid Releasing Hormone
(TRH)
Findings
Hypothyroidism
Increased
Thyroid Stimulating Hormone
(TSH)
Thyroid Releasing Hormone
(TRH)
Decreased
Thyroxine
(T4) and
Triiodothyronine
(T3)
Free T4
(fT4) and
Free T3
(fT3)
T3 Resin Uptake
(
T3RU
) and
Free Thyroxine Index
(FTI)
Reverse T3
(rT3)
References
Costa (1995) Am Fam Physician 52(8):2325-30 [PubMed]
Pittman (1996) Am Fam Physician 54(3):961-6 [PubMed]
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