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Complete Blood Count (CBC) reference sheet. Typical adult ranges; ranges vary by laboratory — always compare a result with the range on the patient’s own report.

Complete Blood Count (CBC) — Reference Ranges

The complete blood count measures the cells in the blood: red cells that carry oxygen, white cells that fight infection, and platelets that help the blood clot. It is one of the most frequently ordered tests in medicine, and its parts are usually interpreted together rather than one number at a time.

This page lists all 22 tests in this group with their typical adult ranges in both unit systems. Open any test for plain-language notes on high and low results and how to prepare.

Print this reference sheet

TestAbbr.Typical range (conventional)Typical range (SI)
Absolute Eosinophil CountAEC0.0–0.5 ×10³/µL0.0–0.5 ×10⁹/L
Absolute Lymphocyte CountALC1.0–4.0 ×10³/µL1.0–4.0 ×10⁹/L
Absolute Monocyte CountAMC0.2–0.9 ×10³/µL0.2–0.9 ×10⁹/L
Absolute Neutrophil CountANC1.8–7.8 ×10³/µL1.8–7.8 ×10⁹/L
Basophils %—0–2 %0–2 %
Eosinophils %—0–5 %0–5 %
HematocritHctMale 41–50; Female 36–48 %Male 0.41–0.50; Female 0.36–0.48 L/L
HemoglobinHbMale 13.5–17.5; Female 12.0–15.5 g/dLMale 135–175; Female 120–155 g/L
Immature Granulocytes %IG%0–0.5 %0–0.5 %
Lymphocytes %—20–40 %20–40 %
Mean Corpuscular HemoglobinMCH27–33 pg27–33 pg
Mean Corpuscular Hemoglobin ConcentrationMCHC32–36 g/dL320–360 g/L
Mean Corpuscular VolumeMCV80–100 fL80–100 fL
Mean Platelet VolumeMPV7.5–11.5 fL7.5–11.5 fL
Monocytes %—2–8 %2–8 %
Neutrophils %—55–70 %55–70 %
Nucleated Red Blood CellsnRBC0 per 100 WBC0 per 100 WBC
Platelet CountPLT150–400 ×10³/µL150–400 ×10⁹/L
Red Blood Cell CountRBCMale 4.5–5.9; Female 4.1–5.1 ×10⁶/µLMale 4.5–5.9; Female 4.1–5.1 ×10¹²/L
Red Cell Distribution WidthRDW11.5–14.5 %11.5–14.5 %
Reticulocyte Count—0.5–2.5 %0.5–2.5 %
White Blood Cell CountWBC4.5–11.0 ×10³/µL4.5–11.0 ×10⁹/L
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Printed from MedicalVideos.com Lab Values. Educational reference only — not medical advice.
Please note: Reference ranges vary between laboratories, and between the methods and instruments they use — the range printed on your own report is the one your result should be compared with. A result outside the range is not by itself a diagnosis, and a result inside it does not rule out illness. These pages are an educational summary, not medical advice: always discuss your results with the clinician who ordered them, who can interpret them in the context of your health and history.