What does high RDW and Vitamin D mean in blood test?

High RDW and Vitamin D can be caused by numerous problems.

High levels of RDW and Vitamin D in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % to 14 % and the Vitamin D level is between 75 % to 250 nmol/L, then your body does not have any underlying health problems. But if RDW and Vitamin D levels exceed these levels, you should see a doctor immediately.

Normal RDW range : 11.6 - 14 %

Age-wise ideal RDW level in blood:

Age	Ideal RDW value
<5 years	12.245
5-10 years	12.926
10-15 years	13.645
15-20 years	13.603
20-25 years	13.561
25-30 years	13.519
30-35 years	13.478
35-40 years	13.436
40-45 years	13.394
45-50 years	13.353
50-55 years	13.311
55-60 years	13.27
60-70 years	13.229
70-80 years	13.965
80-90 years	13.921
90-100 years	13.878
>100 years	13.835

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

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

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

• Crohn's disease
• Chronic liver disease
• Thalassemia, an inherited blood disorder
• An iron or vitamin deficiency
• Heart disease

If you want your blood test report to be interpreted by RDW specialist, you can upload your report. Our RDW 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 Vitamin D range : 75 - 250 nmol/L

Age-wise ideal Vitamin D level in blood:

Age	Ideal Vitamin D value
<5 years	79.17
5-10 years	83.572
10-15 years	88.219
15-20 years	93.124
20-25 years	98.302
25-30 years	103.768
30-35 years	109.538
35-40 years	115.628
40-45 years	122.057
45-50 years	128.843
50-55 years	136.007
55-60 years	143.569
60-70 years	151.551
70-80 years	159.977
80-90 years	168.872
90-100 years	178.261
>100 years	188.172

High RDW and Vitamin D 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 14 % for RDW and more than 250 nmol/L for Vitamin D, 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 RDW and Vitamin D test. In most hospitals RDW and Vitamin D 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.