Urea Nitrogen Clearance, Urine, 24 Hour

Specimen:

Test Code

YUNCLB

Specimen Name

Urea Nitrogen Clearance, Urine, 24 Hour

Collect

Sterile Urine Cup and SST-Serum

Submit

10 mLs Urine and 1 mL Serum

Special Handling

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Rejection Criteria

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Stability

Refrigerated 48 hours then Frozen after 48 hours

Methodology

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Performed

Sunday - Saturday - Reported 1-2 days

Reported

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CPT Codes

  • 84545

Components

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Additional Information

24 hour Urine sample must include: Collection Start-DateTime, Stop-DateTime and Total Volume.

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Test Information

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT