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HelpTest Code BUN Blood Urea Nitrogen
Specimen Information
Obtain specimen using standard phlebotomy techniques.
No special patient preparation is necessary.
| Container | Specimen | Temperature | Collect Vol | Submit Vol | Min Vol | Stability |
| SST | Serum | Refrigerate | 4 mL | 1.0 mL | 0.75 mL | 5 days |
| Lithium Heparin | Plasma | Refrigerate | 4 mL | 1.0 mL | 0.75 mL | 5 days |
Reject Due To:
- Moderate or Marked Hemolysis
- Specimen unlabeled or mislabeled
Instrumentation / Method
Ortho Vitros XT 7600 / Colorimetric
Reference Range
Males: 8-26 mg/dL
Females: 7-17 mg/dL
Critical Value(s): >104 mg/dL
CPT / LOINC / Order Code
| Meditech | Medent | LOINC | CPT |
| BUNS | BUNS | 3094-0 | 84520 |
Test Schedule / Analytic Time / Test Priority
Daily / Same Day / Available STAT