Complete Blood Count (CBC)
Also known as: CBC, Hemogram, Full Blood Count
The CBC is the most common blood test, giving a picture of red cells, white cells and platelets.
Why it's done
- Check for anaemia
- Detect infection
- Monitor platelets in dengue
- Routine health check
What it measures
Haemoglobin, RBC count, WBC count and differential, platelet count, haematocrit and red cell indices.
Preparation
No fasting needed.
Normal range
Hb: men 13-17 g/dL, women 12-15 g/dL; WBC 4,000-11,000/µL; platelets 1.5-4.5 lakh/µL (varies by lab)
Understanding results
Low Hb suggests anaemia; high WBC suggests infection; low platelets are seen in dengue and some other conditions.
Related conditions
Frequently asked questions
Why is the Complete Blood Count (CBC) test done?
Check for anaemia, Detect infection, Monitor platelets in dengue, Routine health check
How do I prepare for Complete Blood Count (CBC)?
No fasting needed.
What is the normal range for Complete Blood Count (CBC)?
Hb: men 13-17 g/dL, women 12-15 g/dL; WBC 4,000-11,000/µL; platelets 1.5-4.5 lakh/µL (varies by lab)
Medically reviewed by
Medical review pending
Last updated
9 October 2026
Sources
- ICMR standard treatment workflows
- Reference ranges vary by laboratory - always read your report with your doctor
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.