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For differential diagnosis of primary, secondary, and tertiary hypothyroidism. Also useful in screening for hyperthyroidism. This assay allows adjustment of exogenous thyroxine dosage in hypothyroid patients and in patients on suppressive thyroxine therapy for thyroid neoplasia.
1 biomarker
This test is typically ordered if patients exhibit symptoms of hyperthyroidism or if other thyroid test results, like TSH or FT4, are unusual.
1 biomarker
This test measures the amount of unbound thyroxine (T4) in the blood It's a key test for diagnosing thyroid conditions like hyperthyroidism (where FT4 levels are high) and hypothyroidism (where FT4 levels are low).
1 biomarker
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