RENIN ACTIVITY PLASMA

RENIN ACTIVITY PLASMA
Marquette General Health System

General Info

Alpha Code		REN
MGH LIS Test No		669
Schedule		Monday, Wednesday, Thursday
Testing Time		2-4 Days
Testing Lab		Warde Medical Laboratories
QORR Test Code		REN

Specimen Info

Type		Plasma EDTA
Volume		2.5 (1.5) mL
Temperature		Frozen
Preservative
Collection Info		1 Lavender Top/2.5 mL EDTA plasma (1.5 mL minimum). Separate and freeze immediately. Patient should not be on medication, if possible, for at least 48 hours prior to collection. Patient should be on a normal sodium diet.

Specimen Acceptability
Room Temperature: Not Acceptable; Refrigerated: Not Acceptable;
Frozen: 1 month

Methods
Radioimmunoassay

Clinical Utilities

CPT Codes
84244

Reference Range
Adult, normal sodium diet:
Supine:       <3.4 ng/mL/hr
Upright:       <5.3 ng/mL/hr
Children, normal sodium diet
<1 year:       <15.0 ng/mL/hr
1-5 years:       <10.0 ng/mL/hr
5-15 years:       <6.0 ng/mL/hr
Adult, restricted salt intake
Sodium excretion (mEq/24 hr)       PRA (ng/mL/hr)
0-30                                                1.3-31.4
30-75                                               2.3-9.6
75-150                                             0.8-3.5
>150                                                  <1.8

Component Information

Collection Notes
Additional Comments

Questions or Comments email support@mgh.org

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