Test Code LAB13311 Direct Renin
Department
Send Outs
Reference Lab Test Number
DREN
Collection Requirements
Patient preparation: Angiotensin Converting Enzyme (ACE) Inhibitors should be avoided, if possible, for at least 48 hours prior to collection. Spironlactone (Aldactone) should be discontinued 4-6 weeks prior to testing. Patient should be on a normal sodium diet.
Refer To
Primary Collection Container
2 – Lavender 4 mL (K3EDTA)
Transport
Frozen
Preferred Transport Temperature
Frozen
Processing
CRITICAL FROZEN.
Centrifuge in a non-refrigerated centrifuge, separate plasma from cells immediately and send 1.5 mL plasma frozen in a screw capped plastic vial.
Stability
Ambient: Unacceptable
Refrigerated: Unacceptable
Frozen: 1 month
Minimum Testing Volume
1.5 Ml
Reference Range
3.1-57.1 pg/mL
Methodology
Chemiluminescence
Performed
Monday-Friday
Reported
2-4 days
CPT Codes
84244
Unacceptable Conditions
Serum, hemolysis, gross lipemia, icteria. Plasma from dark blue EDTA collection tubes. Nonfrozen
plasma.