Common Laboratory (LAB) Values [ U ]

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Urea Nitrogen blood (BUN) (serum) Uric acid (serum) Uric acid (urine) Urinalysis (complete) (urine)
< U >
Lab (Specimen)	Conventional Units	SI Units
Urea Nitrogen blood (BUN) (serum)	7 - 30 mg/dL Alternative source: 8-25 mg/dL	2.5 - 10.7 mmol urea /L Alternative source:    2.9-8.9 mmol/L
Uric acid (serum)	Male: 4.0 - 8.5 mg/dL Female: 2.5 - 7.5 mg/dL	Male: 238 - 506 µmol/L Female: 149 - 446 µmol/L
Uric acid (urine)	250 - 750 mg/day	1.2 - 4.5 mmol/day
Urinalysis (complete) (urine)	Appearance: clear, yellow. Specific gravity: 1.001 - 1.035 pH: 4.6 - 8.0 Protein: negative Glucose: negative Ketones: negative Bilirubin: negative Occult blood: negative WBC esterase: negative Nitrite: negative WBC: </= 5 high-power field RBC: </= 3 high-power field Renal epithelial cells: </= 3      /high-power field Squamous epithelial cells:     None or few/high-power field Casts: none Bacteria: none Yeast: none
Important Notes
>Unless noted, all values are for adults. >All laboratory values listed are method dependent (Methods include: immunoassay, colorimetry, electrophoresis, HPLC, etc). >Values may vary between laboratories.