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Vanderbilt Pathology Laboratory Services

Test Directory



RENIN ACTIVITY BLOOD (RN)

Department: Esoteric Chemistry
Test Synonym(s): RN
CPT Codes: 84244
Methodology: RIA
Reference Range: Normal NA intake: Supine: 0.3 - 1.7 ng/mL/hour, Upright: 0.7 - 3.3, Lasix upright: > 1.710 MEQ NA intake: Upright: > 1.7
Tube Type: Lavender top (EDTA)
Specimen: Blood
Pediatric Requirements: 1.0 mL Plasma
Volume: 5 mL
Minimum Volume: 1.0 mL Plasma
Temperature: Room temperature
Stability: Room temperature: 6 hours, frozen: 1 month
Reasons for Rejection: Specimen not frozen within 6 hours
Days Performed: Tuesday and Thursday
Times Performed: 8:00 a.m.
TAT: 5 days
Special Instructions: Deliver to lab immediately. Indicate position of patient and sodium intake.

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