What causes high RDW SD and low Phosphate?

High RDW SD and low Phosphate can be caused by many reasons.

If your RDW SD is in between 39 fL and 46 fL and your Phosphate is in between 2.4 mg/dL and 4.5 mg/dL then you need not worry as these are the normal ranges for RDW SD and Phosphate respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of RDW SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.688
5-10 years	40.388
10-15 years	41.1
15-20 years	41.825
20-25 years	42.563
25-30 years	43.314
30-35 years	44.078
35-40 years	44.856
40-45 years	45.647
45-50 years	45.633
50-55 years	45.619
55-60 years	45.605
60-70 years	45.59
70-80 years	45.576
80-90 years	45.562
90-100 years	45.548
>100 years	45.533

*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 range of Phosphate : 2.4 - 4.5 mg/dL

Ideal values of Phosphate depending on age :

Age	Ideal Phosphate value
<5 years	2.442
5-10 years	2.485
10-15 years	2.529
15-20 years	2.574
20-25 years	2.619
25-30 years	2.665
30-35 years	2.712
35-40 years	2.76
40-45 years	2.809
45-50 years	2.859
50-55 years	2.909
55-60 years	2.96
60-70 years	3.012
70-80 years	3.065
80-90 years	3.119
90-100 years	3.174
>100 years	3.23

High RDW SD and low Phosphate can be caused by a lot of reasons. If you take RDW SD and Phosphate blood tests and the results are higher than 46 fL for RDW SD and lower than 2.4 mg/dL for Phosphate, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the RDW SD and Phosphate Tests Are Done :

If your doctor wants RDW SD and Phosphate tests on you, you may need to go through these tests. During the RDW SD and Phosphate blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your RDW SD and Phosphate Test reports by your pathologist.