Blood Urea Nitrogen (BUN)
BUN
TEST CODE
300326
CPT
84520
Expected
Turnaround Time
Turnaround Time
Within 1 Day
Patient Preparation
-
Lab Charge
$9.88
Specimen Requirements
Specimen
Serum
Volume
1.0 mL / 0.5 mL minimum
Container
SST (preferred) or Red Top Tube
Preparation
Draw blood in gel-barrier tube and centrifuge. If red top is used, remove the serum and place in a transport tube. Label the transport tube with patient identifiers and specimen type.
Stability
Room Temperature, 1 Day
Refrigerated, 7 Days
Storage Instructions
Refrigerated
Test Details
Methodology
Rejection Criteria
Received after 1 day room temp or 7 days refrigerated.
Serum not separated from cells.
Sample hemolyzed.
Improper labeling.
Incorrect collection container.
Test Components
Test Code
Test Name
LOINC
300326
Blood Urea Nitrogen (BUN)
3094-0
