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Test ID UEBF Urea Nitrogen, Body Fluid

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

Method Name

Photometric

Reporting Name

Urea Nitrogen, BF

Specimen Type

Body Fluid


Necessary 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

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Sunday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

84520

LOINC Code Information

Test ID Test Order Name Order LOINC Value
UEBF Urea Nitrogen, BF 3093-2

 

Result ID Test Result Name Result LOINC Value
UE_BF Urea Nitrogen, BF 3093-2
FLD15 Fluid Type, Urea Nitrogen 14725-6

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

Report Available

Same day/1 to 2 days

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.