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

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

High levels of RDW SD and Vitamin D in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the Vitamin D level is between 75 fL to 250 nmol/L, then your body does not have any underlying health problems. But if RDW SD and Vitamin D levels exceed these levels, you should see a doctor immediately.

Normal RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	39.724
5-10 years	40.461
10-15 years	41.212
15-20 years	41.977
20-25 years	42.756
25-30 years	43.55
30-35 years	44.358
35-40 years	45.181
40-45 years	45.166
45-50 years	45.15
50-55 years	45.988
55-60 years	45.973
60-70 years	45.957
70-80 years	45.941
80-90 years	45.926
90-100 years	45.91
>100 years	45.894

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

If you want your blood test report to be interpreted by RDW SD specialist, then you can upload your report. Our RDW SD 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 SD levels include:

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

If you want your blood test report to be interpreted by RDW SD specialist, you can upload your report. Our RDW SD 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	76.392
5-10 years	77.81
10-15 years	79.254
15-20 years	80.725
20-25 years	82.223
25-30 years	83.749
30-35 years	85.303
35-40 years	86.886
40-45 years	88.499
45-50 years	90.142
50-55 years	91.815
55-60 years	93.519
60-70 years	95.255
70-80 years	97.023
80-90 years	98.824
90-100 years	100.658
>100 years	102.526

High RDW SD 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 46 fL for RDW SD 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 SD and Vitamin D test. In most hospitals RDW SD 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.