What causes high Phosphorus and low RDW SD?

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

If your Phosphorus is in between 2.5 mg/dL and 4.5 mg/dL and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for Phosphorus and RDW SD 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 Phosphorus : 2.5 - 4.5 mg/dL

Ideal values of Phosphorus depending on age :

Age	Ideal Phosphorus value
<5 years	2.525
5-10 years	2.55
10-15 years	2.576
15-20 years	2.602
20-25 years	2.628
25-30 years	2.654
30-35 years	2.681
35-40 years	2.708
40-45 years	2.735
45-50 years	2.762
50-55 years	2.79
55-60 years	2.818
60-70 years	2.846
70-80 years	2.874
80-90 years	2.903
90-100 years	2.932
>100 years	2.961

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

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

1,37,160

Total number of patients treated

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

• Increased blood calcium
• Diabetic ketoacidosis (after treatment)
• Liver disease
• Rickets and osteomalacia (due to vitamin D deficiencies)
• Kidney failure

If you want your blood test report to be interpreted by Phosphorus specialist, you can upload your report. Our Phosphorus 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 RDW SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.39
5-10 years	39.784
10-15 years	40.182
15-20 years	40.584
20-25 years	40.99
25-30 years	41.4
30-35 years	41.814
35-40 years	42.232
40-45 years	42.654
45-50 years	43.081
50-55 years	43.512
55-60 years	43.947
60-70 years	44.386
70-80 years	44.83
80-90 years	45.278
90-100 years	45.731
>100 years	45.726

High Phosphorus and low RDW SD can be caused by a lot of reasons. If you take Phosphorus and RDW SD blood tests and the results are higher than 4.5 mg/dL for Phosphorus and lower than 39 fL for RDW SD, 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 Phosphorus and RDW SD Tests Are Done :

If your doctor wants Phosphorus and RDW SD tests on you, you may need to go through these tests. During the Phosphorus and RDW SD 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 Phosphorus and RDW SD Test reports by your pathologist.