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Sodium Urine 24 Hour

SIM

12100 

CPT

84133 

Synonyms

24 Hour Urine NA 

Specimen Type

Voided 24 hour Urine 

Container

24 hour urine container

Collection Instructions

•  Collect all urine voided for 24 hours and place in the 24 hour urine container. 
•  The collection container is to be kept in the refrigerator or on ice during the timed period. 
•  Note the number of hours of urine collection on the aliquot.

Volume

Max: 5 ml preferred 
Min:  1 ml 

Additional Information

none

Patient Preparation

none

Specimen Processing Instructions

Refrigerate

Note the number of hours of urine collection on the aliquot.

Transport Requirements

Refrigerated

Specimen Stability

Refrigerated: 72 hours 

Rejection Criteria

Insufficient volume

Reference Range

Urine Sodium =  40 – 220  mmoL/24 hr

Critical Value

none 

Test Includes

Urine Sodium  

Methodology

ISE Crown Ether Membrane Electrode 

Testing Frequency

Daily, Monday - Sunday 

 

Reviewed By

Sandy Hammett 

Reviewed Date

2/2/2018

Supplemental

 

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