What is a normal range
Results seen in 95% of healthy individuals
What is reference range
Results seen in 95% of healthy individuals of a reference population
Difference between reference and normal range
Normal range very vague as no characteristics taken into account
PLT
Platelet count
PCV
Packed cell volume
Hct
Haematocrit
Difference between PCV and Hct
PCV found using centrifugation but Hct with more modern techniques
MCV
Mean cell volume
MCH
Mean cell haemoglobin
MCHC
Mean cell haemoglobin concentration
How to calculate MCV
PCV/RBC
How to calculate MCH
Hb/RBC
How to calculate MCHC
Hb/PCV