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Test Code 83170 Sodium (Urine)

Purpose

Work up volume depletion, acute renal failure, acute oliguria, and differential diagnosis of hyponatremia.

 

Performing Laboratory

Copley Hospital

 

Methodology

QuickLYTE (IMT Module)

 

Specimen Requirements

Specimen Type: Urine (24-Hour)

Container/Tube: Plastic Container
Specimen Volume: Entire 24-Hour Collection

 

Collection Instructions:

1. For 24 Hour Urines: Refrigerate during collection

     and follow instructions for “24 Hour Urine Collection”

     under “Specimen Collection and Handling” within the

     links menu on the left side of the screen.)

2. Label specimen with patient’s full name, date of birth,

    date & time of collection (Both Start & End Times for

    24-Hour Urines) and person collecting.

3. Refrigerate specimen during transport.

 

Reference Values

Normal: 43 - 217 mmol / 24 Hours

 

Stability

Refrigerated: 3 Days

 

Day(s) Performed

Daily

Analytical Time: 1 Day

 

Aliases

Sodium (Urine)

Sodium

Na

 

Test Classification & CPT Coding

81050 - Urine Timed Measurement

84295 - Sodium