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HelpTest Code LAB140 Blood Urea Nitrogen (BUN) - Blood
Department
CHEMISTRY
Primary Collection Container
Green PST (Lithium Heparin)
Alternate Collection Container
Green Microtainer PST
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
Stability
Refrigerated: 7 days Frozen: >7 days
Minimum Testing Volume
0.5 mL
Reference Range
0 MIN-2 MOS 8-15 mg/dL
2 MOS-5 YRS 9-22 mg/dL
5 YRS-150 YRS 13-22 mg/dL
Methodology
Roche c503 Kinetic test with urease and glutamate dehydrogenase
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
84520
Unacceptable Conditions
Gross hemolysis.