What causes high Phosphorus and low Cystatin c?

High Phosphorus and low Cystatin c can be caused by many reasons.

If your Phosphorus is in between 2.5 mg/dL and 4.5 mg/dL and your Cystatin c is in between 0.62 mg/L and 1.03 mg/L then you need not worry as these are the normal ranges for Phosphorus and Cystatin c 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	2.723
5-10 years	2.965
10-15 years	3.229
15-20 years	3.516
20-25 years	3.829
25-30 years	4.17
30-35 years	4.137
35-40 years	4.104
40-45 years	4.469
45-50 years	4.434
50-55 years	4.399
55-60 years	4.365
60-70 years	4.33
70-80 years	4.295
80-90 years	4.261
90-100 years	4.227
>100 years	4.193

*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

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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 Cystatin c : 0.62 - 1.03 mg/L

Ideal values of Cystatin c depending on age :

Age	Ideal Cystatin c value
<5 years	0.675
5-10 years	0.735
10-15 years	0.8
15-20 years	0.871
20-25 years	0.949
25-30 years	0.941
30-35 years	1.025
35-40 years	1.017
40-45 years	1.009
45-50 years	1.001
50-55 years	0.993
55-60 years	0.985
60-70 years	0.978
70-80 years	0.97
80-90 years	0.962
90-100 years	0.955
>100 years	0.947

High Phosphorus and low Cystatin c can be caused by a lot of reasons. If you take Phosphorus and Cystatin c blood tests and the results are higher than 4.5 mg/dL for Phosphorus and lower than 0.62 mg/L for Cystatin c, 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 Cystatin c Tests Are Done :

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