Normal Haematological Values

 

 

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Normal Haematologic Values During the First Two Weeks of Life in the Term Infant

Value Cord Blood Day 1 Day 3 Day 7 Day 14
Hb (gm/100ml) 16.8 18.4 17.8 17.0 16.8
Haematocrit (%) 53.0 58.0 55.0 54.0 52.0
Red cells (cu.mm. x 106) 5.25 5.8 5.6 5.2 5.1
MCV (m 3) 107 108 99.0 98.0 96.0
MCH (yy) 34 35 33 32.5 31.5
MCHC (%) 31.7 32.5 33 33 33
Reticulocytes (%) 3-7 3-7 1-3 0-1 0-1
Nuc RBC (cu.mm) 500 200 0-5 0 0
Platelets (1000ís/cu.mm) 290 192 213 248 252

The White Blood Cell Count and the Differential Count During the First Two Weeks of Life 1

Age Leukocytes Neutrophils Eosinophils Basophils Lymphyocytes Monocytes
Total Seg Band
Birth
Mean 18.100 11,000 9,400 1,600 400 100 5,500 1,050
Range 9.0-30.0 6.0-26     20-850 0-640 2.0-11.0 0.4-3.1
Mean % - 61 52 9 2.2 0.6 31 5.8
7 Days
Mean 12,200 5,500 4,700 830 500 50 5,000 1,100
Range 5.0-21.0 1.5-10.0     70-1100 0-250 2.0-17.0 0.3-2.7
Mean % - 45 39 6 4.1 0.4 41 9.1
14 Days
Mean 11,400 4,500 3,900 630 350 50 5,500 1,000
Range 5.0-20.0 1.0-0.5     70-1000 0-230 2.0-17.0 0.2-2.4
Mean % - 40 34 5.5 3.1 0.4 48 8.8

Haematologic Values in Low Birthweight Infants

  Age of Infant
Determination 1-3 Days 4-7 Days 2 Weeks 4 Weeks 6 Weeks 8 Weeks
Birthweight less than 1200g
Haemoglobin 15.6 16.4 15.5 11.3 8.5 7.8
Reticulocytes as % of RBC 8.4 3.9 1.9 4.1 5.4 6.1
Platelets 148,000
± 61,000
163,000
± 69,000
162,000 158,000 210,000 212,000
Leukocytes 14,800
± 10,200
12,200
± 7,000
15,800 13,200 10,800 9,900
Segmented neutrophils 46 32 41 28 23 23
Band neutrophils 10.7 9.7 8.0 5.9 5.8 4.4
Juvenile neutrophils 2.0 3.9 5.3 3.6 2.6 2.0
Lymphocytes 32 43 39 55 61 65
Monocytes 5 7 5 4 6 3
Eosinophils 0.4 6.2 1.0 3.7 2.0 3.8
Nucleated RBC as % of total RBC 16.7 1.1 0.1 1.0 2.7 2.0
Birthweight 1200-1500g
Haemoglobin 20.0 18.0 17.1 12.0 9.1 8.3
Reticulocytes as % of RBC 2.7 1.2 0.9 1.0 2.2 2.7
Platelets 151,000
± 35,000
134,000
± 49,000
153,000 189,000 212,000 244,000
Leukocytes 10,800
± 4,000
8,900
± 2,900
14,300 11,000 10,500 9,100
Segmented neutrophils 47 31 33 26 20 25
Band neutrophils 11.9 10.5 5.9 3.0 1.4 2.1
Juvenile neutrophils 5.1 2.4 2.7 1.8 1.7 1.6
Lymphocytes 34 48 52 59 69 64
Monocytes 3 6 3 4 5 5
Eosinophils 1.3 2.2 2.5 5.1 2.6 2.3
Nucleated RBC as % of total RBC 19.8 0.8 0 0.4 1.4 1.0

References

1 From Altman, P.L and Dittmer, D.S: Blood and Other Body Fluids. Federation of American Societies for Experimental Biology, Washington, D.C, 1961.