- TNA
Sodium Values, 24 Hr. Urine
Specimen:
Test Code
TNA
Specimen Name
Sodium Values, 24 Hr. Urine
Collect
24 hour urine, urine cup or specimen transport tube
Submit
10 mL aliquot of 24 hour urine collection
Special Handling
Must Include: Collection Start-DateTime, Stop-DateTime and Total Volume.
Rejection Criteria
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Stability
Refrigerated 7 days
Methodology
Ion-Selective Electrode, Direct Potentiometric Method
Performed
Sunday - Saturday
Reported
1-2 days
CPT Codes
- 84300
Components
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Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT