Blood count
WBC
Also known as: Leukocytes
What it means
Your immune system's fighters. High means infection or inflammation; very low can mean your body's defences are weak.
Typical normal range
4,000–10,000 per µL
Reference ranges vary by lab, age, sex, and pregnancy. Always check the range on your own report.
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Related terms in Blood count
Haemoglobin
The protein in red blood cells that carries oxygen around your body. Low Hb (anaemia) often causes tiredness and breathlessness.
Platelets
Cells that clump together to stop bleeding when you cut yourself. Low platelets means easier bruising.
MCV
Mean Corpuscular Volume — the average size of your red blood cells. Small (low MCV) often points to iron-deficiency anaemia; large (high MCV) often points to vitamin B12 or folate deficiency.
CBC
The full blood count panel — measures red cells, white cells, platelets and their properties. The most common baseline blood test in India.
RBC
The count of your red blood cells (millions per µL). Low RBC often points to anaemia; high RBC can point to dehydration or other issues.
MCH
The average amount of haemoglobin inside each red blood cell. Low MCH often accompanies iron-deficiency anaemia.
This is a plain-language explanation for patients, not clinical advice. AI can be wrong. Always confirm with your doctor.