Table 5. Reference value of bone marrow... | American Society of Hematology

Table 5.

Reference value of bone marrow cellularity in selected age groups

Age, y	Percent hematopoietic area^*
20-30	60-70
40-60	40-50
70 or older	30-40

The cellularity should be measured as percent hematopoietic area, measured by disregarding the first 2 subcortical bone marrow lacunae, if hypocellular.¹⁸

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