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| Test Name: | BUN |
|---|---|
| Test Code: | 2070 |
| Other Names: | Urea Nitrogen (BUN), Blood Urea Nitrogen |
| Test Includes: | BUN |
| Specimen Requirements: | Serum (preferred) or Plasma |
| Container: | N/A |
| Collection Instructions: | Separate serum or plasma from cells within 45 minutes of collection. If green-top tube or lavender top tube is used, transfer separated plasma to a plastic transfer tube. |
| Stability: | Separated Samples are stable at Room temperature for 3-5 days, Refrigerated 7 days frozen 6 months |
| Rejection Criteria / Special Instructions: | Moderate to to Gross hemolysis; excessive lipemia; improper labeling |
| Methodology: | Bichromatic Rate |