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Test Code BUNPS Blood Urea Nitrogen Post Dialysis (Test Code - BUNPS)

Preferred Specimen

SST – Serum

Specimen Collection Instructions

Post-dialysis blood sampling procedure: ("slow flow sampling technique") when dialysis is complete:

    1. Turn off the dialysate flow.
    2. Turn off UF.
    3. Decrease blood flow rate to 50-100 ml/min for 15 seconds, while adjusting arterial and venous pressure limits
    4. With blood pump still running at 50-100 ml/min, cleanse the arterial sampling port and draw the post-dialysis sample using the eclipse blood collection needle assembly. Immediately engage safety device.
    5. Continue with treatment termination procedure.

Specimen Volume

1.0 mL

Stat Turn-around Time:

1 hour from specimen arrival in the Laboratory

Routine Turn-around Time:

Inpatients: 4 hours from specimen arrival in the Laboratory

Outpatients:  24 hours from specimen arrival in the Laboratory

Reference Ranges

Some Reference Ranges are age and/or gender dependent.  Please see report for details.

Performing Laboratories:

CSH – Clifton Springs Hospital

Elmgrove – Outpatient Laboratory

RGH – Rochester General Hospital

UH – Unity Hospital

CPT Code

84520

LOINC Code:

6299-2