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Test Code UEBF Urea Nitrogen, Body Fluid

Additional Codes

ALAB: YUEBF
PowerChart: Urea Nitrogen Body Fluid

Reporting Name

Urea Nitrogen, BF

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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 Special Container
Body Fluid Refrigerated (preferred) 7 days
  Frozen  30 days
  Ambient  24 hours

Day(s) Performed

Monday through Sunday

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.

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

Report Available

Same day/1 to 2 days

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

Method Name

Photometric

Forms

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

Reference Values

An interpretive report will be provided.

Secondary ID

606598