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HelpTest Code LAB10085 Blood Urea Nitrogen (BUN) - Post Dialysis
Department
CHEMISTRY
Collection Requirements
HEMODIALYSIS PATIENTS ONLY.
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
Methodology
Roche c503 Kinetic test with urease and glutamate dehydrogenase
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
84520
Unacceptable Conditions
Gross hemolysis.