Ordering Recommendation
Mnemonic
FL UN
Methodology

Spectrophotometry

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Peritoneal fluid.

Specimen Preparation

Centrifuge and separate to remove cellular material. Transport 1 mL body fluid. (Min: 0.2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Specimen types other than those listed.

Remarks

Indicate source on test request form.

Stability

Ambient: 24 hours; Refrigerated: 5 days; Frozen: 1 year

Reference Interval

Not established

Interpretive Data

Reference ranges for this assay have not been established for body fluid. Results should be interpreted in comparison to the concentration in blood and in conjunction with clinical context.

Compliance Statement B: For laboratory developed tests not using a RUO kit, and for FDA approved, cleared or 510(k) exempt assays with alterations. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Note
Hotline History
N/A
CPT Codes

84520

Components
Component Test Code* Component Chart Name LOINC
0020183 Urea Nitrogen, Body Fluid 3093-2
0097114 SR Source 31208-2
* 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