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Test Code UEBFM Urea Nitrogen, Body Fluid

Additional Codes

Mayo UEBF
Epic ID LAB3286

 

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
UPH Waterloo Region Lab Test Catalog Note:

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 days

CPT Code Information

84520

Reference Values

An interpretive report will be provided.