Red Blood Cells (RBC)
| Adult ( > 16y) | Male | 4.20 TO 5.40 106/mm3 |
| Adult ( > 16y) | Female | 3.60 TO 5.00 106/mm3 |
| 6mo - 1y | | 3.80 TO 5.20 106/mm3 |
| Birth - 2wks | | 4.10 TO 6.10 106/mm3 |
| 2wks - 2mo | | 4.00 TO 6.00 106/mm3 |
| 2mo - 6mo | | 3.80 TO 5.60 106/mm3 |
| 1y - 6y | | 3.90 TO 5.30 106/mm3 |
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