[ Lab Values – A thru Z ]

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Common Laboratory Values for Lab Tests

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Comprehensive Guide to Normal Lab Values led

Common Laboratory (LAB) Values - Laboratory values for lab tests

Normal Lab Reference Values

Lab (Specimen)

Conventional Units

SI Units

Magnesium (serum)

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1.5 - 2.4 mEq/L

Critical value:
<1.0 mEq/L and >4.7 mEq/L

 0.75 - 1.2 mmol/L

Critical value:
<0.5 mmol/L
    and >2.35 mmol/L

Mercury (blood)
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< 1 µg/dL < 50 nmol/L
Methemoglobin (blood)
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<2% of total Hb <0.02 of total Hb
Myelin basic protein (CSF)
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<4 ng/mL <4 µg/L
Myoglobin (serum)
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< 55 ng/mL <55 µg/L
Osmolality (serum)
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278 - 305 mOsm/kg 278 - 305 mmol/kg
Osmolality (urine)
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50 - 1200 mOsm/kg 50 - 1200 mmol/kg
Oxalate (urine)
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≤ 40 mg/day ≤ 456 µmol/day
Common lab values – [ M, N, O ]  Normal Laboratory Reference Ranges