168

Part II Nutrition Assessment, Consequences, and Implications TABLE 11.8 Normal Values for Laboratory Tests for Anemia Laboratory Test

Normal: Male

Normal: Female

Iron Deficiency

Anemia of Chronic Disease

Vitamin B-12 Deficiency

Microcytic Normocytic Macrocytic

Megaloblastic Pernicious

Hemoglobin (g/dL)

Hematocrit (%)

Mean corpuscular volume (mm3

)

Mean corpuscular hemoglobin (pg/cell)

Mean corpuscular hemoglobin concentration (g/dL)

Serum iron (mg/dL)

Ferritin (ng/mL) Transferrin

Total iron binding capacity (mg/dL)

Serum folate (mg/mL)

Serum vitamin B-12 (pg/mL)

Homocysteine (mmol/L)

27–31 32–36 27–31 32–36 ↓ ↓ ↓ ↓ / ↔ ↑ ↑ / ↔ ↑ ↑ / ↔ 14–18

42–52 80–95

12–16

37–47 80–95

↓

↓ ↓

↓ ↓ ↔ ↓ ↓ ↑ / ↔

Folic Acid Deficiency

Macrocytic Megaloblastic ↓

↓ ↑

80–180 12–300 250–420 5–25 160–950 4–14

60–190 10–150 250–420 5–25

↓

↓ ↓ ↑

— 160–950 — 17–76 —

↓

↑ / ↔ — ↓

— — —

↑

↑ ↑

— ↑ ↓ ↑

↑ ↑

— —

↓ ↓ / ↔ ↑