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| Title | UREA NITROGEN, URINE 24HR |
| Specimen Requirement | <p>24 hour urine collection preferred. Refrigerate during collection. Record total volume on aliquot of urine and lab order.</p>
<p>Random urine is also acceptable; submitted in sterile screw-capped container.</p> |
| Methodology | |
| Stability | 7 days refrigerated |
| Reference Range | By Report |
| Turnaround | 24 hours |
| Clinical Use | <p>Renal function test; coarse nitrogen-wasting test on patients on hyperalimentation; indicate nitrogen balance in hyperalimentation; rule out tap of urinary bladder in amniocentesis, paracentesis</p> |
| Test Code | UUNM |
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