Laboratory Services
Urea Nitrogen, Body Fluid
Print this pageUpdated Test Information:
| Test Description |
Urea Nitrogen, Body Fluid
|
|
|---|---|---|
| Synonym(s) |
UNBF |
|
| General Information |
To help identify the presence of urine as a cause for accumulation of fluid in a body compartment. |
|
| Container Type |
Transport Tube, Red Top Tube, Li-Heparin Tube, or Aliquot Tube |
|
| Specimen Type |
Peritoneal Fluid, Pleural Fluid, Drain Fluid (JP drain), Pericardial, Peritoneal dialysate, Ascites |
|
| Specimen Requirements |
Date and Time of collection are required. Specimen source is required |
|
| Specimen Collection / Processing Instructions |
Indicate body fluid type and source (if applicable) Preferred: Depending on the volume, take an aliquot and centrifuge to remove any cellular material and transfer to a plastic aliquot tube. Indicate the body fluid type, source location, and time of collection on the label. Acceptable: Submit specimen in non-centrifuged collection container such as a plain red top or Li-Heparin tube. Indicate the body fluid type, source location, and time of collection on the label. |
|
| Minimum Sample Volume |
0.5 mLs |
|
| Stability |
Room Temp - 24 hrs Refrigerated - 7 days Frozen - 30 days |
|
| Unacceptable Specimen Conditions |
Specimen types other than those listed |
|
| Methodology |
Kinetic UV assay |
|
| Estimated TAT |
0-2 days |
|
| Testing Schedule |
Monday - Saturday |
|
| CPT Code(s) |
84520 |
|
| Reference Range |
Reference range not established for sample type |
|
| Performing Lab |
Incyte |
|
| LOINC Code(s) |
3093-2 14725-6 |
