[ 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

Vanillylmandelic acid (VMA) (urine)


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≤ 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
Common lab values – [ V ]  Normal Laboratory Reference Ranges