THYROID STIMULATING HORMONE (TSH)

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Adult <10 uU/mL; Male >60yr 2-7.3 uU/mL Female >60yr 2-16.8 uU/mL Note: Serves as a Screening Test for Hypothyroidism; Increased: Primary Hypothyroidsim Decreased: Primary Hyperthyroidism, rarely Secondary Hypothyroidism (Pituitary Insufficiency);