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Epic Test Code LAB444 Sodium: Urine, Random

Performing Location(s)

BMC

Specimen Type

Random Urine

Preferred Container

Random Urine Tube

Minimum Volume to Submit for Testing

5 mL Urine

  • Multiple test can be performed from this volume. For question please contact the lab at 547-3975.  

Storage Requirements

Specimens not delivered to the laboratory within 1 hour should be refrigerated

Transportation Needs

Deliver specimens to the laboratory within 1 hour of collection.

If not possible, see “storage requirements”

Causes for Rejection

Mislabeled or unlabeled specimen

>12 hrs Room Temperature
>24 hrs Refrigerated
Collected with a perservative.

Limitations

It is often advantageous to request urine potassium and creatinine as well as sodium measurement.

High urine sodium does not necessarily indicate that total body sodium is increased.

Reference Values

Population Units Reference Range
All Populations mmol/L 20-110

 

Days of Analysis

All

Available STAT

Yes

Methodology

Beckman AU/Dx Series

CPT Code

84300

Last Updated

30-July-19