Urea Nitrogen, Random Urine
| Abbrev Code: | UBUNR | ||
| Order Code: | LAB748 | Order Name: | Urea Nitrogen Random Urine |
| Methodology: | Roche:
Vista: Bichromatic rate |
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| CPT Codes: | 84540 x1, 84540 x1 | ||
| Test Includes: | Urea nitrogen urine mg/dL | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Urine, random collection |
| Optimal Volume: | Submit entire collection; analysis requires 1 mL. |
| Container: | Plastic leakproof container, sterile |
| Collection Instructions: | IVP dye does not interfere with sample analysis. |
Processing and Shipping
| Specimen Processing: | Mix collection well before aliquot is taken. Centrifuge specimens containing red cells or precipitate. Aliquot 5 mL, 1 mL minimum. Store in refrigerator.
Centrifuge specimens containing red cells or precipitate. Urine containing bladder fluid is acceptable. Enter coded comment IRRFL (urine contains bladder irrigation fluid). |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 2 days at room temperature; 7 days refrigerated; 1 month frozen. |
| Test Performed at or Referral Lab | Chemistry (Range, Roche-UMMC East, Southdale, UMMC West Bank) |
Interpretive
| Reference Range: | Urine Chemistry Reference Ranges |
| Use: | Evaluate metabolism of urate, including gout and renal stones. |
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