Normal CBC values with differential at birth

From the fact that Normal values for the complete blood count tests are age and sex dependent, as well as how high above sea level you live is another factor, I have decided to post all normal ranges of CBC by age and sex with differential count of white blood cells and platelets.
Identifying specific limits for every age and sex remove the false interpretation of blood diseases.

Below is a complete image of infant’s normal blood cells count according to universal standards.
All figures are brought to tell the nurse and physician how many cells are in the blood stream of newborn baby which are normally found at birth and up to 24 hours of birth.

Unit Birth
HB g/dl 14.0-23.7
RBC 10^6/ul 4.0-6.5
HCT % 45-75
MCV fl 100-125
MCH pg 31-37
MCHC g/dl 30-36
RETICS % of RBCs 1.2-4.0
PLT *10^3/ul 150-450
WBC *10^3/ul 10000-26000
Differential leucocytic count: Absolute values #/ul Percentage
BASO less than 340 0-1
EOSINO less than 1800 1-6
NEUTR 5000-21000 30-65
STAFF less than 1000 0-5
SEGM 1500-7500 30-60
LYMPH 2000-11500 40-70
MONO less than 2400 2-8

CBC normal ranges for neonates

Note the relative and temporary increase of white and red cells count, hemoglobin, hematocrit, and other RCC indices as MCV, MCH, and MCHC, which all are considered normal at the birth due to physiological reasons and tend to go down day after day post birthday.


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