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HelpTest Code LAB2400 Pre-Dialysis BUN
Intended Use
Pre-dialysis BUN is used to determine the amount of urea in the blood prior to dialysis.
Methodology
Photometic/Urease
Performing Laboratory
RCH-SPH
Day(s) Test Setup
Monday through Sunday
Specimen Requirements
Preferred: Plasma (heparinized)
Container/Tube: Lt Green/Mint-top (lithium heparin) tube
Acceptable: Serum
Container/Tube: Plain, Red-top or Gold, serum gel tube
Specimen Volume: 1.0 mL (minimum volume 0.1 mL)
Collection Instructions: Both a pre-dialysis and post dialysis specimen are required for this test. Please label samples appropriately. Forward promptly.
Specimen Stability
Ambient: 8 hours
Refrigerated: 48 hours
Frozen (-20ºC): >48 hours
CPT Code
84520