0020183
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Urea Nitrogen, Fluid

FL UN
Example Reports
Standard

Ordering Recommendation

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Peritoneal/Ascites

Specimen Preparation

Centrifuge to remove cellular material. Transfer 1 mL body fluid to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Specimen types other than those listed. Specimens too viscous to be aspirated by instrument.

Remarks

Indicate source on test request form.

Stability

Ambient: 1 week; Refrigerated: 1 week; Frozen: 1 year

Methodology

Quantitative Spectrophotometry

Performed

Sun-Sat

Reported

Within 24 hours

Reference Interval

Reference Intervals have not been established.

Interpretive Data

For information on body fluid reference ranges and/or interpretive guidance visit https://www.aruplab.com/bodyfluids

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
08/21/2023
X
X
X
X
N/A

CPT Codes

84520

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Components

Component Test Code* Component Chart Name LOINC
0020183 Urea Nitrogen, Body Fluid 3093-2
3016582 Urea Nitrogen Fluid Source
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Blood Urea Nitrogen, Body Fluids
  • BUN, Body Fluids
  • Nitrogen, Body Fluids
  • Urea
  • Urea Nitrogen
Urea Nitrogen, Fluid