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Test Code Billings Clinic: 4352 Urea Nitrogen, Random, Urine

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

Assessment of renal failure (prerenal vs acute kidney injury)

Methodology

Urease with GLHD / Bichromatic Rate

Specimen Requirements

  • 10 mL from a random urine collection in a urine container.
  • Send specimen refrigerated.

Storage/Stability

Type Temperature Time
Urine Refrigerated 4 days

Reference Values

Not established

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

84540 - Urea nitrogen, urine

LOINC Code Information

Reporting Name LOINC Code
Urea Nitrogen, Random, Urine 3095-7