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Common Laboratory (LAB) Values [ V ]

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Lab (Specimen)

Conventional Units

SI Units

Vanillylmandelic acid (VMA) (urine)
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leq 10 mg/day <50 µmol/day
Vitamin A (serum)
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30 - 95 µg/dL 1.05 - 3.32 µmol/L
Vitamin B6 (plasma)
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5 - 24 ng/mL 30 - 144 nmol/L
Vitamin B12 (serum)

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200 - 800 pg/mL

Alt:  210-911 pg/mL

Folate, Serum
0 - 3.3 ng/mL: Deficient
3.4 - 5.3 ng/mL: Indeterminate
5.4 - 40.0 ng/mL: Normal

>150 - 590 pmol/L
Vitamin C (plasma)
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0.2 - 2.0 mg/dL 11 - 114 µmol/L
Vitamin D (1,25-Dihydroxy-vitamin D) (serum)
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24 - 65 pg/mL 58 - 156 pmol/L
25-Hydroxyvitamin D (serum)
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10 - 55 ng/mL 25 - 137 nmol/L
Vitamin E (serum)
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5 - 20 µg/mL 12 - 46 µmol/L

Important Notes   top of page icon


>
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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Medical Calculators - A thru Z
Lab Values - A thru Z