Page 918 - Textbook of Pathology, 6th Edition

902
  TABLE A-5: Normal Haematologic Values. (Contd...)
Reference Value
Component Fluid Conventional SI Units
Haematocrit (PCV) Blood
males 40-54% 0.47 ± 0.07 L/L
females 37-47% 0.42 ± 0.05 L/L
Haptoglobin Serum 60-270 mg/dl 0.6-2.7 g/L
Haemoglobin (Hb)
adult haemoglobin (HbA) Whole blood
males 13.0-18.0 g/dl 130-180 g/L
females 11.5-16.5 g/dl 115-165 g/L
plasma Hb (quantitative) 0.5-5 mg/dl 5-50 mg/L
haemoglobin A (HbA ) 1.5-3.5%
2
2
haemoglobin, foetal (HbF) in adults <1%
HbF, children under 6 months <5%
Iron, total Serum 40-140 μg/dl 7-25 μmol/L
total iron binding capacity (TIBC) Serum 250-406 μg/dl 45-73 μmol/L
iron saturation Serum 20-45% (mean 33%) 0.20-0.45
Iron intake 10-15 mg/day
Iron loss
males 0.5-1.0 mg/day
females 1-2 mg/day
Iron, total body content
males 50 mg/kg body weight
females 35 mg/kg body weight
Iron, storage form (ferritin and haemosiderin) 30% of body iron
Osmotic fragility Blood
slight haemolysis at 0.45 to 0.39 g/dl NaCl
complete haemolysis at 0.33 to 0.36 g/dl NaCl
mean corpuscular fragility 0.4-0.45 g/dl NaCl
Reticulocytes Blood
adults 0.5-2.5%
infants 2-6%
Transferrin Serum 200-400 mg/dl 2-4 g/L
Vitamin B 12
body stores 10-12 mg
daily requirement 2-4 μg
APPENDIX
serum level Serum 280-1000 pg/ml 280-1000 pmol/L
Leucocytes

Differential leucocyte count (DLC) Blood film/CBC counter
P (polymorphs or neutrophils) 40-75% (2,000-7,500/μl)
L (lymphocytes) 20-50% (1,500-4,000/μl)
M (monocytes) 2-10% (200-800/μl)
E (eosinophils) 1-6% (40-400/μl)
B (basophils) < l% (10-100/μl)
Normal Values
Muramidase Serum 5-20 μg/ml
Total leucocyte count (TLC) Blood
adults 4,000-11,000/μl
infants (full term, at birth) 10,000-25,000/μl
infants (1 year) 6,000-16,000/μl
Myelogram See Table 12.2 on page 287
Platelets and Coagulation
Bleeding time (BT)
Ivy’s method Prick blood 2-7 min
template method 2.5-9.5 min
Contd...