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NAME | METHOD | REFERENCE RANGE | UNITS |
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Thyroid Stimulating Hormone | ICMA | view ref range | uIU/mL |
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TYPE | VOLUME | TEMPERATURE | INSTRUCTIONS |
PRIMARY | ||||
1 | Serum | 2 (0.8) mL | Refrigerated - 4 Day(s), Frozen - 2 Month(s) |
Differential diagnosis of primary hypothyroidism and hyperthyroidism from secondary and tertiary hypothyroidism; thyroid function test (TSH is high in primary hypothyroidism, low in hyperthyroidism); evaluate hypothyroid patients receiving replacement doses of various thyroid hormone preparations; normalization of TSH a useful guide; detect hypopituitarism; follow up low T4 newborn screen results. |