Common Laboratory (LAB) Values [ B ]

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B

Lab (Specimen)

Conventional Units

SI Units
Bicarbonate:
Arterial
Venous
21 - 28 mEq/L
22 - 29 mEq/L
21 - 28 mmol/L
22 - 29 mmol/L
Bilirubin, Direct (Conjugated) Serum < 0.40 mg/dL </= 7 µmol/L
Bilirubin Total (Serum) < 1.3 mg/dL  (0.1 -1.3 mg/dL) </= 22 µmol/L
Alt source: 2 - 18 µmol/L
Blood Urea Nitrogen (BUN) (serum) 7 - 30 mg/dL
Alternative source: 8-25 mg/dL		 2.5 - 10.7 mmol urea /L
Alt source: 2.9-8.9 mmol/L

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.

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