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Test Code LAB446 Sodium, 24 HR Urine

Synonym

  • UNA

Specimen Required

Preferred Container/Tube: 24 Hour Urine Container
Acceptable Container/Tube: 24 Hour Urine Container
Specimen Volume: 3 mL
Specimen Minimum Volume: 1 mL

Specimen Stability Information

Ambient: 2 hours
Refrigerated: 45 days

Specimen Collection Information

For timed urines keep specimen in refrigerator during collection and for storage.

Rejected Due To

  • Unacceptable container type
  • Quantity not sufficient

Reference Values

40-220 mmol/24 hrs

Method Description

Indirect ion-selective electrode

Performing Lab

Clinical Lab UH

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Reporting Name

Sodium, 24 Hr Urine

CPT Code Information

84300
81050

LOINC Code Information

21525-1