ARUP's Laboratory Test Directory
| 0020851: Sodium, Urine |
| Test Mnemonic: U NA | |
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#ExistMethodology>
Methodology: Ion-Selective Electrode
*ExistMethodology> #ExistPerformed> Performed: Sun-Sat *ExistPerformed> #ExistReported> Reported: Within 24 hours *ExistReported> |
| Specimen Required: | |
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#ExistCollect>
Collect: 24-hour urine (no additive). Specimen must be refrigerated during collection. Also acceptable: random urine.
*ExistCollect> #ExistTransport> Transport: 1 mL aliquot from a well-mixed 24-hour or random collection at 2-8°C. (Min: 0.5 mL) *ExistTransport> #ExistPedCollectTransport> Pediatric Collection/Transport: 0.2 mL aliquot from a well-mixed 24-hour or random collection at 2-8°C. *ExistPedCollectTransport> #ExistRemarks> Remarks: Record total volume and collection time interval on transport tube and test request form. Do not use pH adjusted urine samples. *ExistRemarks> #ExistStability> Stability: Ambient: 8 hours; Refrigerated: 1 week; Frozen: 3 months *ExistStability> |
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| Reference Interval: | |||||||||||||
#ExistRefRangeTable>
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| CPT Code(s): | |
| 84300 |