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Evaluate the role of renin in the differential diagnosis of hypertension.
Upright: <= 40 years, 4.0 - 44.0 pg/mL; > 40 years, 4.0 - 60 pg/mL
Supine (more than 30 minutes): <= 40 years; 3.0 - 30 pg/mL; > 40 years, 3.0 - 42.0 pg/mL. Contact the MLabs Client Services Center for interpretation by the Hypertension Unit (936-4790).
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a lavender top tube (EDTA). Transport specimen at room temperature. Centrifuge, aliquot plasma into a plastic vial, and freeze within 1 hour.
Collect specimen in a lavender top tube (EDTA). Centrifuge, aliquot plasma into a plastic vial, and freeze within 1 hour. Do not refrigerate the sample.