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Urea Nitrogen (BUN)*

Important Note

*This test is orderable in Cerner as BUN

Instrumentation

Roche Cobas

Performing Laboratory

Rutland Regional Medical Center Laboratory

Specimen Requirements

Specimen Type: Blood

Container/Tube:

Preferred: Light-green top (lithium heparin gel)

Specimen Fill Volume: Full tube

Collection Instructions:

1. Send specimen in original tube.

2. If there is a delay in transport of >1 hour, centrifuge tube.

Specimen Transport Temperature

Refrigerated

Normal Reference Values

Adults(18-60 yrs): 6 - 20 mg/dL
Adults (60-90): 8 -23 mg/dL
0 days - 1 year: 4 - 19 mg/dL
1 years - 18 years: 5 -18 mg/dL

Day(s) Performed

Daily

Analytical Time:

1 day

Available Stat

Test Classification and CPT Coding

84520