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Collection Instructions

Sanford Forms

 

 

 

 

Mayo Clinic Laboratories

Test ID NBLD0182 Sodium, 24 HR Urine

AKA

Na+, Urine

Specimen Type/Requirements

Plain container, no preservative

24hr collection: Refrigerate during collection, no preservative, record total volume, mix well before aliquoting. If more than one urine container is collected, use proportional quantities from each well mixed container for the aliquot.

Specimen Volume

Preferred Volume 5.0 mL urine
Minimum Volume

100 µL urine

 

Stability/Transport

Room Temperature 45 days  
Refrigerated 45 days Preferred for Transport
Frozen 1 year  

 

Performed Test Frequency

Monday-Sunday

Methodology

Ion Selective Electrode Indirect

Performing Lab

Sanford Laboratories Fargo-Core Lab

CPT

84300