Test Code BFBUN Urea Nitrogen, Body Fluid
Additional Codes
St. Luke's Compendium Code (Iatric): L600.2625
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Urease
Specimen Requirements
1 mL of body fluid in a green-top (lithium heparin) plasma gel
tube(s), a plain syringe(s), or a serum gel tube(s). Send specimen
refrigerated.
Note: 1. If submitting syringe, remove
needle and cap syringe.
2. Indicate specimen source on request form.
Unspun specimens must be transported at ambient temperature and arrive to the laboratory within one hour of draw.
Reference Values
Reported in mg/dL
No established reference values
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
CPT: 84520
LOINC: 3093-2