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Test Code UBUN24 Urea Nitrogen, U, Timed

Additional Codes

St. Luke's Compendium Code (Iatric): L650.1075

Performing Laboratory

St. Lukes Hospital Laboratory

Methodology

Urease

Specimen Requirements

10 mL from a well-mixed, 24-hour urine collection. No preservative. Refrigerate specimen during collection, and send specimen refrigerated.
Note:  1. 24-Hour volume  and starting and ending times are required on request form for processing.
2. Follow instructions in “Urine Collection” in “Special Instructions.”

Reference Values

12-20 g/24 hr

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

84540

Special Instructions