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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Urea, Peritoneal Fluid

Test Code(s): PEUREA / HCPEUREA

CPT Code(s): 84540

Methodology: Urease

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 4 hours.


Specimen Requirements

Specimen: Peritoneal Fluid

Collection Container: Preferred: Sterile screw cap container
Also Acceptable: Red top

Collection Volume: Preferred: 1 mL
Pediatrics: 0.3 mL

Sample Analyzed: Body fluid aliquot

Volume Required: Preferred: 0.5 mL
Pediatrics: 0.1 mL

Specimen Processing: Centrifuge.  Transfer cell-free fluid to plastic vial.  Refrigerate.

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.


Interpretation

Result is dependant on type of fluid.  Results are reported in mg/dL.

Additional Information:

This test was performed using a modification of an FDA approved method.  The performance characteristics of this test were determined by the UWHC Clinical Laboratories and meet the standards for clinical testing.

BUN, Body Fluid

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