|Test Code||RENPE / 500278E|
|Test||RENIN, PEDIATRIC, PLASMA|
|Methodology||RIA of angiotensin I generated at pH 5.5 at multiple time-points|
|Specimen||Draw blood in a lavender-top (EDTA) tube, mix gently by inversion. Centrifuge immediately after collection. Do not leave blood at room temperature. Separate and freeze 2.0 mL EDTA (minimum volume: 0.4 mL - does not allow for repeat testing) plasma immediately in screw-capped, plastic vial. Send specimen frozen.
Note whether recumbent or upright sample.
1 - 7 days: 1100 - 16,700 ng/dL/hr
Note: Normal studies of plasma renin activity in young children and adolescents are incomplete.
|Analytic Time||2 Days|
|Day(s) Test Set Up||Monday through Friday|