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Normal result on a sensitive TSH assay is acceptable evidence of adequate thyroid replacement. Follow-up of patients who have had hyperthyroidism treated with radioiodine or surgery. Follow-up low T 4 newborn results. This third-generation TSH assay can be considered a test for thyroid disease.
Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.
Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.
Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.
Labcorp test details for Complete Blood Count (CBC) With Differential, Reflex to Peripheral Smear Review
Gel-barrier tube is preferred (send entire tube). Red-top tube or green-top (lithium heparin) tube is acceptable.
Normal result on a sensitive TSH assay is acceptable evidence of adequate thyroid replacement. Follow-up of patients who have had hyperthyroidism treated with radioiodine or surgery. Follow-up low T 4 newborn results. This third-generation TSH assay can be considered a test for thyroid disease.
This TSH blood test measures thyroid stimulating hormone (TSH), which stimulates the thyroid to produce two additional hormones, T4 (thyroxine) and T3 (triiodothyronine), both of which play a critical role in controlling the body’s metabolism.
Stimulating and blocking thyroid-stimulating hormone (TSH) receptor autoantibodies from patients with Graves' disease and autoimmune hypothyroidism have very similar concentration, TSH receptor affinity, and binding sites.
Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.