Skip to content
My WebMD Sign In, Sign Up

Information and Resources

Font Size

Complete Blood Count (CBC)

Results continued...

 

Hematocrit (HCT)1
Men:

42%–52% or 0.42–0.52 volume fraction

Women:

36%–48% or 0.36–0.48 volume fraction

Children:

29%–59% or 0.29–0.59 volume fraction

Newborns:

44%–64% or 0.44–0.64 volume fraction

 

Hemoglobin (Hgb)1
Men:

14–17.4 grams per deciliter (g/dL) or 140–174 grams per liter (g/L)

Women:

12–16 g/dL or 120–160 g/L

Children:

9.5–20.5 g/dL or 95–205 g/L

Newborn:

14.5–24.5 g/dL or 145–245 g/L

In general, a normal hemoglobin level is about one-third the value of the hematocrit.

 

Red blood cell indices1
Mean corpuscular volume (MCV)—Adults:

84–96 femtoliters (fL)

Mean corpuscular hemoglobin (MCH)—Adults:

28–34 picograms (pg) per cell

Mean corpuscular hemoglobin concentration (MCHC)—Adults:

32–36 grams per deciliter (g/dL)

 

Red cell distribution width (RDW)1
Normal:

11.5%–14.5%

 

Platelet (thrombocyte) count1
Adults:

140,000–400,000 platelets per mm3 or 140–400 x 109/L

Children:

150,000–450,000 platelets per mm 3 or 150–450 x 109/L

 

Mean platelet volume (MPV)1
Adults:

7.4–10.4 mcm3 or 7.4–10.4 fL

Children:

7.4–10.4 mcm3 or 7.4–10.4 fL

 

Blood smear
Normal:

Blood cells are normal in shape, size, color, and number.

High values

Red blood cell (RBC)
White blood cell (WBC, leukocyte)
Platelets
  • High platelet values may be seen with bleeding, iron deficiency, some diseases like cancer, or problems with the bone marrow.

Low values

Red blood cell (RBC)
White blood cell (WBC, leukocyte)
Platelets
  • Low platelet values can occur in pregnancy or idiopathic thrombocytopenic purpura (ITP) and other conditions that affect how platelets are made or that destroy platelets.
  • A large spleen can lower the platelet count.

WebMD Medical Reference from Healthwise

Last Updated: August 06, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

Hot Topics

Health Solutions From Our Sponsors

WebMD Video: Now Playing

Click here to wach video: Dirty Truth About Hand Washing

Which sex is the worst about washing up? Why is it so important? We’ve got the dirty truth on how and when to wash your hands.

Click here to watch video: Dirty Truth About Hand Washing

Popular Slideshows & Tools on WebMD

hands on abdomen
Can you catch one?
Woman sitting in front of UV lights
Is yours working?
woman using breath spray
What's causing yours?
womans hand on abdomen
Are you ready for baby?
MS Overview
Recognizing symptoms.
bowl of yogurt with heart shape
Eat for a healthy heart.
woman doing pushups
To help you get fit.
Colored x-ray of tooth decay
Know what to look for.
Woman sitting with child
Do you know the symptoms?
mosquito
Stings, bites, burns, and more.
Allentown, PA
Are you living in one?
Thyroid exam
See how much you know.

Women's Health Newsletter

Find out what women really need.