Table 1.

Standard values according to our laboratory.

Parameter	Standard Value
Albumin	3.5–5.2 g/dL
Prealbumin	20–40 mg/dL
Vitamin A	300–700 μg/L
Vitamin B12	197–771 pg/mL
Vitamin D3 (25-OH-Vitamin D)	Deficit < 20 ng/mL; toxic > 100 ng/mL
CRP	<5 mg/L
IL-6	<7 pg/mL
Transferrin	200–360 mg/dL
Ferritin	♀ 15–150 ng/mL	♂ 30–400 ng/mL
Haptoglobin	30–200 mg/dL
Phosphate	0.81–1.45 mmol/L
Leucocytes	♀ 4.0–10.0/nL	♂ 4.2–9.1/nL
Hemoglobin	♀ 11.2–15.7 g/dL	♂ 13.7–17.5 g/dL
Hematocrit	♀ 34.1–44.9%	♂ 40.1–50.0%
MCV	♀ 79.4–94.8 fl	♂ 79.0–92.2 fl
MCH	25.6–32.2 pg
Elastase	>200 µg/g
Calprotectin	<50 µg/g