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HelpOrder Code LAB12 Blood Urea Nitrogen, Plasma or Serum
Additional Codes
| Test Name in EPIC | EPIC Test Code | Mnemomic |
| RV BLOOD UREA NITROGEN | LAB12 | BUN |
Useful For
Screening test for evaluation of kidney function
Specimen Requirements
Specimen Type: Plasma or Serum
Collection Container/Tube:
Preferred: Green-top (lithium heparin) gel tube
Acceptable: Plain, red-top tube or SST
Specimen Volume: 2 mL
Pediatric (minimum) volume: 0.5 mL
Centrifuge serum and plasma specimens and remove the serum or plasma from the cellular material within 4 hours of collection
Specimen Stability
| Specimen Type | Temperature | Stability |
| Plasma or Serum | Ambient | 1 day |
| Refrigerated (preferred) | 5 days | |
| Frozen | 30 days |
Reference Values
- Male: 9-20 mg/dL
- Female: 7-17 mg/dL
- Unspecified: 7-20 mg/dL
- Critical value (automatic call-back): > 80.0 mg/dL
Day(s) Test Set Up
Monday through Sunday
Performing Laboratory
Ridgeview Medical Center Laboratory
Two Twelve Medical Center Laboratory
Ridgeview Sibley Medical Center Laboratory
Ridgeview Le Sueur Medical Center Laboratory
Methodology
Colorimetric
Test Classification and CPT Coding
84520