Reference Ranges

White Blood Cells (WBC) 

     Birth-1 Day :                 9.0 - 30.0 x10(3)/mcL

     >1 Day-7 Days :            9.4 – 34.0 x10(3)/mcL

     >7 Days-14 Days :        5.0 – 21.0 x10(3)/mcL

     >14 Days-6 Months :   5.0 – 20.0 x10(3)/mcL

     >6 Months-4 Years :    6.0 -17.5 x10(3)/mcL

     >4 Years-6 Years :        5.5 – 15.5 x10(3)/mcL

     >6 Years-18 Years :      4.5 – 13.5 x10(3)/mcL

     >18 Years:                     4.0 – 11.0 x10(3)/mcL

 

Red Blood Cells (RBC)  

     Birth-1 Day :                    3.9 -5.5 x10(6)mcL

     >1 Day-14 Days :             3.9 – 6.6 x10(6)mcL

     >14 Days-1 Month :        3.6 – 6.2 x10(6)mcL

     > 1 Month-2 Months :    3.0 – 5.4 x10(6)mcL

     >2 Months-3 Months :   2.7 – 4.9 x10(6)mcL

     >3 Months-7 Months :   3.1 – 4.5 x10(6)mcL

     >7 Months-7 Years :       3.7 – 5.3 x10(6)mcL

     >7 Years-13 Years :        4.0 – 5.3 x10(6)mcL

     >13 Years-19 Years :      Males:  4.5 – 5.3 x10(6)mcL;   Females:  3.2 – 5.2 x10(6)mcL

     >19 Years:                        Males:  4.5 – 5.9 x10(6)mcL;   Females:  3.8 – 5.2 x10(6)mcL

 

Hemoglobin (Hgb)

     Birth-1 Day :                  13.5 – 21.5 g/dL

     >1 Day-7 Days :             14.5 – 22.5 g/dL

     >7 Days-14 Days :         13.5 – 21.5 g/dL

     >14 Days-1 Month :      12.5 – 20.2 g/dL

     >1 Month-2 Months :   10.0 – 18.0 g/dL

     >2 Months-7 Months : 10.0 – 14.0 g/dL

     >7 Months-3 Years :     10.5 – 13.5 g/dL

     >3 Years-14 Years :       11.5 – 15.5 g/dL

     >14 Years-19 Years :     Males : 13.0 – 16.0 g/dL ;  Females : 11.7 – 16.0 g/dL

     > 19 Years:                      Males : 13.5 – 17.5 g/dL ;  Females : 11.7 – 16.0 g/dL

 

Hematocrit (Hct)  %

    Birth-1 Day :                   42.0 – 65.0 %

    >1 Day-7 Days :              45.0 – 67.0 %

    >7 Days-14 Days :          39.0 – 63.0 %

    >14 Days-1 Month :       31.0 – 55.0 %

    >1 Month-7 Months :    31.0 – 42.0 %

    >7 Months-3 Years :      34.0 – 40.0 %

    >3 Years-7 Years :          35.0 – 45.0 %

    >7 Years-13 Years :        Males : 37.0 – 49.0 % ; Females : 30.0 – 46.0 %

    >13 Years-19 Years :      Males : 37.0 – 49.0 % ; Females : 35.0 – 48.0 %

    >19 Years :                      Males : 41.0 – 54.0 % ; Females : 35.0 – 48.0 %

 

MCV

     Birth-1 Day :                    94.0 – 118.0 fL

     >1 Day-7 Days :               95.0 -121.0 fL

     > 7 Days-14 Days :          88.0 – 120.0 fL

     >14 Days-2 Months :      85.0 – 120.0 fL

     >2 Months-3 Months :   77.0 – 115.0 fL

     >3 Months-7 Months :   74.0 – 108.0 fL

     >7 Months-3 Years :       70.0 – 86.0 fL

     >3 Years-7 Years :           75.0 - 87.0 fL

     >7 Years-13 Years :         77.0 - 95.0 fL

     >13 Years-19 Years :       Males:  78.0 – 98.0 fL;   Females:  78.0 – 102.0 fL

     >19 Years:                         80 – 100 fL

 

MCHC     30.0 – 36.0 g/dL

 

MCH

     Birth-7 Days :                 31.0 – 37.0 g/dL

     >7 Days-2 Months :       28.0 – 40.0 g/dL

     >2 Months-7 Months :  25.0 – 34.0 g/dL

     >7 Months-3 Years :      23.0 – 31.0 g/dL

     >3 Years-7 Years :          24.0 – 30.0 g/dL

     >7 Years-13 Years :        25.0 – 33.0 g/dL

     >13 Years-19 Years :      25.0 – 35.0 g/dL

     >19 Years:                       26.0 – 34.0 g/dL 

 

RDW     12.0 -16.0 %

 

Platelets (Plt)

     Birth-3 Days :               100 – 300 x10(3)/mcL

     >3 Days-14 Years :       100 – 320 x10(3)/mcL

     >14 Years:                     150 – 440 x10(3)/mcL

 

MPV     9.0 – 13.0 fL

 

 

DIFFERENTIAL

 

 Neutrophils % 

      Birth-2 Days :          41.0 – 53.0 %

     >2 Days-2 Years :     32.0 – 62.0 %

     >2 Years-12 Years :  23.0 – 34.0 %

     >12 Years:                 48.0 – 66.0 %

 

Bands % :                      0 – 8 %

 

Lymphocytes %

    Birth-2 Days :              24.0 – 36.0 %

    >2 Days-2 Years :       59.0 – 63.0 %

    >2 Years-12 Years :    28.0 – 42.0 %

    >12 Years:                   15.0 – 40.0 %

 

Monocytes %:                2.0 – 11.0 % 

 

Eosinophils %:                0.0 – 5.0 %

 

Basophils %:                   0.0 – 2.0 %

 

Nucleated RBC %:         0.0 – 5.0 %

 

 

DIFFERENTIAL  (ABSOLUTE)

 

Neutrophils #

     Birth-1 Day :                  6.0 – 26.0 x10(3)/mcL

     >1 Day-7 Days :             5.0 – 21.0 x10(3)/mcL

     >7 Days-1 Month :        1.5 – 10.0 x10(3)/mcL

     >1 Month-6 Months :   1.0 – 9.0 x10(3)/mcL

     >6 Months-1 Year :       1.0 – 8.5 x10(3)/mcL

     >1 Years:                        1.5 – 8.0 x10(3)/mcL

 

 

Lymphocytes #

     Birth-7 Days :                  2.0 – 11.5 x10(3)/mcL

     >7 Days-1 Month :         2.0 – 16.5 x10(3)/mcL

     >1 Month-6 Months :    4.0 – 13.5 x10(3)/mcL

     >6 Months-1 Year :        4.0 – 10.5 x10(3)/mcL

     >1 Year-10 Years :          1.5 – 7.0 x10(3)/mcL

     >10 Years:                       1.0 – 4.8 x10(3)/mcL

 

 

Monocytes #

     Birth-1 Day :                     0.3 – 3.1 x10(3)/mcL

     >1 Day-1 Year :                0.3 – 2.7 x10(3)/mcL

     >1 Year-4 Years :             0.1 – 1.1 x10(3)/mcL

     >4 Years:                          0.0 – 0.9 x10(3)/mcL

 

 

 Eosinophils #

     Birth-1 Day :                0.2 – 0.9 x10(3)/mcL

     >1 Day-7 Days :           0.1 – 1.2 x10(3)/mcL

     >7 Days-14 Days :       0.1 – 1.1 x10(3)/mcL

     >14 Days-1 Year :        0.1 – 1.0 x10(3)/mcL

     >1 Year-4 Years :         0.1 – 0.7 x10(3)/mcL

     >4 Years-10 Years :     0.0 – 0.7 x10(3)/mcL

     >10 Years-21 Years :   0.0 – 0.6 x10(3)/mcL

     >21 Years:                    0.0 – 0.5 x10(3)/mcL

 

Basophils  #   x10(3)/mcL       0.0 – 1.0 

 

Nucleated RBC  #   x10(3)/mcL     0.0 – 0.01