Childhood Cancer

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Childhood Leukemia

Values for Healthy Children

Each laboratory and lab handbook has slightly different reference values for each type of blood test. There is also variation in values for children of different ages. For instance, in children ranging in age from newborn to 4 years, granulocytes are lower and lymphocytes are higher than the numbers listed below. The following table lists blood tests and blood count values for healthy children older than 4 years of age.

Blood Test Type

Values for Healthy Children

Hemoglobin (Hgb)

11.5 to 13.5 g/100 mL

Hematocrit (HCT)

34 to 40%

Red blood cell (RBC) count

3.9 to 5.3 million/cm3

Platelets

160,000 to 380,000/mm3

White blood cell (WBC) count

5,000 to 15,000/mm3 or 5 to 15 K/μL

WBC differential:

Segmented neutrophils

40 to 70%

Band neutrophils

1.5 to 8%

Basophils

<0.3%

Eosinophils

<0.5%

Lymphocytes

20 to 50%

Monocytes

2 to 10%

Liver function tests

ALT (sometimes called SGPT)

0 to 48 IU/L

AST (sometimes called SGOT)

0 to 36 IU/L

Bilirubin (total)

0.3 to 1.3 mg/dL

Direct (conjugated)

0.1 to 0.4 mg/dL

Indirect (unconjugated)

0.2 to 1.88 mg/dL

Kidney function tests

Blood urea nitrogen (BUN)

6 to 20 mg/dL

Creatinine

0.5 to 1.5 mg/dL

Electrolytes

Glucose

70 to 115 mEq/L

Potassium

3.5 to 5.0 mEq/L

Minerals

Calcium

8.5 to 10.5 mg/dL

Magnesium

1.5 to 2.9 mg/dL
Appendix A: Blood Tests and What They MeanValues for Children on Chemotherapy

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