Test Code UEBFM Urea Nitrogen, Body Fluid
Additional Codes
| Mayo | UEBF |
| Epic ID | LAB3286 |
Specimen Type
Body FluidNecessary Information
1. Date and time of collection are required.
2. Specimen source is required.
Specimen Required
Preferred Source:
-Peritoneal fluid (peritoneal, abdominal, ascites, paracentesis)
-Pleural fluid (pleural, chest, thoracentesis)
-Drain fluid (drainage, Jackson Pratt [JP] drain)
-Peritoneal dialysate (dialysis fluid)
-Pericardial
Acceptable Source: Write in source name with source location (if appropriate)
Collection Container/Tube: Sterile container
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Centrifuge to remove any cellular material and transfer into a plastic vial.
2. Indicate the specimen source and source location on label.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Body Fluid | Refrigerated (preferred) | 7 days |
| Frozen | 30 days | |
| Ambient | 24 hours |
Transport refrigerated.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
| Cerebrospinal fluid Breast milk Saliva Nasal secretions Gastric secretions Bronchoalveolar lavage (BAL) or bronchial washings Colostomy/ostomy Feces Urine Sputum Vitreous fluid |
Reject |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Photometric
Useful For
Identifying the presence of urine as a cause for accumulation of fluid in a body compartment
Assessing adequacy of peritoneal dialysis treatment protocols
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 to 2 daysCPT Code Information
84520
Reference Values
An interpretive report will be provided.