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Test Code NBLD0316 Urea Nitrogen, Body Fluid

Useful For

  • Detecting the presence of urine in body fluid specimens
  • Assessing adequacy of peritoneal dialysis treatment in dialysis fluid


Urease/Ultraviolet (UV)

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Body fluid

Container/Tube: Green top (heparin), red top, or other suitable container

Specimen Minimum Volume: 1 mL

Collection Instructions: Indicate specimen source.

Specimen Transport Temperature


Specimen Stability


Specimen Type Temperature Time
Body fluid Ambient 2 hours
  Refrigerated 24 hours


Reference Values

No established reference values

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding