Bone Marrow Reference Ranges (Cell percents)

 

CELL TYPE

 

0-1 YEAR

 

1-5 YEARS

 

5 YEARS-ADULT

 

 

Blasts

 

1.0-4.0

 

0.0-4.0

 

0.0-5.0

 

Promyelocytes

 

0.0-2.0

 

0.0-2.0

 

1.0-8.0

 

Myelocytes

 

1.0-5.0

 

1.0-3.5

 

5.0-19.0

 

Metamyelocytes

 

7.0-15.0

 

7.0-15.0

 

13.0-22.0

 

Band Neutrophils

 

9.0-19.0

 

9.0-19.0

 

12.0-34.0

 

Segmented Neutrophils

 

22.0-36.0

 

22.0-39.5

 

7.0-30.0

 

Eosinophils

 

1.0-3.0

 

0.0-3.0

 

0.0-7.0

 

Basophils

 

0.0-1.0

 

0.0-1.0

 

0.0-1.0

 

Lymphocytes

 

38.0-56.0

 

36.0-58.0

 

3.0-17.0

 

Monocytes

 

0.0-2.0

 

0.0-3.0

 

0.0-6.0

 

Plasma Cells

 

0.0-1.0

 

0.0-1.0

 

0.0-1.0

 

R.E. Cells

 

0.0-2.0

 

0.0-2.0

 

0.0-2.0

 

Proerythroblasts

 

0.0-1.0

 

0.0-1.0

 

1.0-8.0

 

Erythroblasts

 

3.0-13.0

 

3.0-12.0

 

7.0-32.0