Test Directory
| Test Code | ||
| 24UN | ||
| Test Name | ||
| Urea Nitrogen, 24Ur | ||
| CPT Codes | ||
| 84540 | ||
| Expected Turnaround Time | ||
| 1 day | ||
| Clinical Utility | ||
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Can be used to assess protein balance, renal function, and renal disorders. |
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| Specimen and Container Info | ||
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Specimen Type: 24-Hour Urine Collection Containers: 24-Hour Plastic Urine Container
Minimum Acceptable Volume: 0.4 mL Note: This volume does not allow for repeat testing. |
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| Collection Instructions | ||
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Urine should be collected in a 24-Hour plastic urine container with no preservative. See Special Instructions: |
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| Processing and Submission Instructions | ||
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Urine should be well mixed before aliquoting. Acceptable Aliquot Containers:
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| Transport Instructions | ||
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Transport to the laboratory refrigerated. |
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| Stability Requirements | ||
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| Methodology | ||
| Rate | ||
| Reference Intervals | ||
| Performing Location | ||
| Roble Road Core Laboratory | ||
| Testing Schedule | ||
| Routine, daily | ||
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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