Hematology: RBC Indices

Question 1

MCV: formula, definition and reference range

Answer 1

Hct (%) / RBC (x10⁶) * 10

Mean corpuscular volume is the average size/volume of RBC
Normal: 80-96 fL. Very stable value

Question 2

MCH

Answer 2

Hgb (g/dL) / RBC (x10⁶) * 10

Mean corpuscular hemoglobin in one RBC
Normal: 27-31 pg

Question 3

MCHC

Answer 3

Hgb (g/dL) / Hct (%) * 100

Mean corpuscular hemoglobin concentration per volume of RBC
Normal: 32-36%