Urea Nitrogen
| Sunquest Code: | BUN | ||
| Epic Code: | LAB140 | Epic Name: | Urea Nitrogen |
| Synonyms: | BUN | ||
| Methodology: | Bichromatic rate | ||
| Turnaround Time: | Performed and reported 24 hours/day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2.5 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Container: | Green (lithium heparin, gel) (Green (lithium heparin) on ICE, Red (no gel), Red or gold (gel)) |
Processing and Shipping
| Specimen Processing: | Aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Stability: Room temperature - 3 to 5 days; refrigerated - 7 days; frozen - indefinitely |
| Test Performed at or Referral Lab | Chemistry (University of Minnesota Health Maple Grove Clinics, Fairview Range - FRMC, UMMC-West Bank, UMMC-East Bank, Oxboro Bloom, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, M Health Clinic and Surgery Center, Grand Itasca GICH) |
Interpretive
| Reference Range: |
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| Use: | Indirectly evaluate renal function and hydration. |
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