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Test Code LAB446 SODIUM, URINE, 24 HOUR

Important Note

For Outside Hospital Clients, submit a 10 mL aliquot from a 24 hour urine collection.  Record the total volume on the lab requisition.

Actual collection time of urine should always be documented. The calculation for a 24 hour urine will only be provided when the collection time is within the 22-26 hour time frame. Outside of that, a calculation will not be performed. The total volume and time period will be provided for interpretation purposes. Urines outside of 22-26 hours will not be rejected.

Additional Codes

Orderable Codes:

Epic Code Atlas Code Mayo Access ID Order LOINC
LAB446 UNA24 FAH5874 2956-1

Result Component(s);

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
Sodium, Urn, Random 12301002168 UNAR FAH235 35678-2
Sodium, Urn, 24hr 12301002167 UNACAL FAH5039 21527-7
Urine Volume 12301000973 VOLUME FAH108 3167-4
Collection Period 12301001313 PERIOD FAH107 N/A

 

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Jug A 24 Hour Urine Refrigerate 24 Hour 10 mL 0.5 mL 5 days

 

Test Schedule / Analytical Time / Test Priority

Daily 8 am-4:30 pm / Same day / Available STAT

Method

Ion Selective Electrode

CPT(s)

Description CPT Code
Sodium, Urine 84300

 

Instrumentation

Ortho Vitros 7600

Reference Range

Age Sex Low High Units
0 - 1 month All 0.3 3.5 mmol/24h
1 month - 16 years All 40 180 mmol/24h
≥16 years All 40 220 mmol/24h

 

Section

Chemistry-1

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes