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Test Code UNA24 Sodium, 24 Hr Urine

Performing Laboratory

Hunterdon Medical Center Laboratory

Special Instructions

Submit an entire 24 hour urine collection in plastic urine container. 

Refrigerate specimen during collection.

 

Printable patient instructions for 24 hour urine collection available on side bar under Forms.

 

Note: Starting and ending times of collection are required on container for processing.

Specimen Required

Test updated May 2016

 

Container/Tube Plastic 24 hour urine container
Preservative None

 

Specimen Type

Urine, 24 hour

Specimen Transport Temperature

Ambient

Specimen Stability

 

Temperature Time Frame
Ambient 15-25°C 7 days
Refrigerated 2-8°C 7 days

Day(s) Test Set up

Monday through Sunday

Reference Values

40.0-220.0 mmol/(24.h)

Methodology

ISE: Ion-Selective Electrode, Indirect.

CPT Code

84300-Sodium

81050-Urine timed measurement

Loinc Code

2956-1