What does high Hematocrit and RDW mean in blood test?

High Hematocrit and RDW can be caused by numerous problems.

High levels of Hematocrit and RDW in the blood indicate a variety of health problems. If your blood Hematocrit level is between 40 % to 50 % and the RDW level is between 11.6 % to 14 %, then your body does not have any underlying health problems. But if Hematocrit and RDW levels exceed these levels, you should see a doctor immediately.

Normal Hematocrit range : 40 - 50 %

Age-wise ideal Hematocrit level in blood:

Age	Ideal Hematocrit value
<5 years	41.912
5-10 years	43.915
10-15 years	46.014
15-20 years	48.213
20-25 years	48.103
25-30 years	47.993
30-35 years	47.883
35-40 years	47.774
40-45 years	47.665
45-50 years	49.943
50-55 years	49.829
55-60 years	49.715
60-70 years	49.601
70-80 years	49.488
80-90 years	49.375
90-100 years	49.262
>100 years	49.15

*Ideal values ​​are calculated based on our database of patient records

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Some examples of conditions that increase or decrease Hematocrit levels include:

• Damage to the bone marrow
• Kidney failure
• Excessive destruction of red blood cells
• Chronic inflammatory diseases
• Congenital heart disease

If you want your blood test report to be interpreted by Hematocrit specialist, you can upload your report. Our Hematocrit expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal RDW range : 11.6 - 14 %

Age-wise ideal RDW level in blood:

Age	Ideal RDW value
<5 years	12.154
5-10 years	12.735
10-15 years	13.344
15-20 years	13.982
20-25 years	13.95
25-30 years	13.918
30-35 years	13.886
35-40 years	13.855
40-45 years	13.823
45-50 years	13.792
50-55 years	13.76
55-60 years	13.729
60-70 years	13.697
70-80 years	13.666
80-90 years	13.635
90-100 years	13.604
>100 years	13.573

High Hematocrit and RDW levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 50 % for Hematocrit and more than 14 % for RDW, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a Hematocrit and RDW test. In most hospitals Hematocrit and RDW results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.