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HelpTest Code LAB446 Sodium, Urine, 24 Hour
Intended Use
Used to quantitatively measure sodium in human 24-hour urine specimens.
Methodology
Ion-Selective Electrode (ISE)
Performing Laboratory
RCH-SPH
Specimen Requirements
Specimen Type: Urine, 24-Hour Collection
Container/Tube: 24-hour Urine Collection Container
Submission Container: Sterile, Screw-Capped Container
Specimen Volume: 10 mL from a timed urine collection container (Minimum Volume: 0.1 mL)
Note: 24-hour collection volume documentation required.
Collection Instructions
Please see the last section of the Blood & Urine Collection & Prep Guide for timed urine collection information.
Specimen Stability
Ambient: 45 days
Refrigerated: 45 days
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
84300