Fluid Urea Nitrogen
Order Code:
FLBUN
Test Summary
Urea is the principle waste product of protein catabolism. Urea Nitrogen is most commonly measured in the diagnosis and treatment of certain renal and metabolic diseases.
Aliases
- Fluid Urea Nitrogen, Pleural fluid Nitrogen
Specimen Collection
Special Instructions
List specific body site/type of fluid being submitted.
Preferred Specimen
20 mL abdominal fluid (ascites, peritoneal, paracentesis and pleural fluids ONLY), type identified, free from hemolysis, particulate matter and mucous received in a sterile container.
Minimum Volume
1 ml
Instructions
The type/site of fluid submitted must be noted on the specimen and order. Fluid should be free of mucous, particulate matter, and be non-viscous. All of those factors can affect analysis and may render the fluid non-viable for testing
Patient Preparation
N/A
Storage
Screw-cap container/tube
Transport Temperature
Refrigerated
Specimen Stability
- Room Temperature = 2 days
- Refrigerated = 7 days
- Frozen = N/A
Limitations
Testing can only be perform on approved abdominal fluids. No reference ranges have been established.
Other Acceptable Specimens
N/A
Unacceptable Specimens
Synovial fluids or any fluid that is not considered an abdominal fluid. Also fluids received in tubes with preservatives. Criteria is variable depending on the specific type of fluid sample received. In general, gross hemolysis, elevated viscosity, and particulate matter may cause interferences with analytical methods.
Order Code
FLBUN
EPIC (Premier) Code
LAB572
Includes
N/A
CPT Code
- 84520
Billing Code
- 300405
CPT Statement
Methodology
Spectrophotometry (SP)
FDA Status
FDA Modified
Physician Attestation of Informed Consent
N/A
Testing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439
2308 Sandridge Drive
Moraine OH, 45439
Department
Chemistry
Reference Range
Reference Range Not Established
Setup Schedule / Expected Turnaround Time
24/7; Report available: Within 1 day of set up
Specimen Collection
Special Instructions
List specific body site/type of fluid being submitted.
Preferred Specimen
20 mL abdominal fluid (ascites, peritoneal, paracentesis and pleural fluids ONLY), type identified, free from hemolysis, particulate matter and mucous received in a sterile container.
Minimum Volume
1 ml
Instructions
The type/site of fluid submitted must be noted on the specimen and order. Fluid should be free of mucous, particulate matter, and be non-viscous. All of those factors can affect analysis and may render the fluid non-viable for testing
Patient Preparation
N/A
Storage
Screw-cap container/tube
Transport Temperature
Refrigerated
Specimen Stability
- Room Temperature = 2 days
- Refrigerated = 7 days
- Frozen = N/A
Limitations
Testing can only be perform on approved abdominal fluids. No reference ranges have been established.
Other Acceptable Specimens
N/A
Unacceptable Specimens
Synovial fluids or any fluid that is not considered an abdominal fluid. Also fluids received in tubes with preservatives. Criteria is variable depending on the specific type of fluid sample received. In general, gross hemolysis, elevated viscosity, and particulate matter may cause interferences with analytical methods.
Result Information
Methodology
Spectrophotometry (SP)
Testing Laboratory
N/A
Reference Range
Reference Range Not Established
Setup Schedule / Expected Turnaround Time
24/7; Report available: Within 1 day of set up