What causes high Phosphate and low Phosphorus?

High Phosphate and low Phosphorus can be caused by many reasons.

If your Phosphate is in between 2.4 mg/dL and 4.5 mg/dL and your Phosphorus is in between 2.5 mg/dL and 4.5 mg/dL then you need not worry as these are the normal ranges for Phosphate and Phosphorus respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease Phosphate levels include:

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

Normal range of Phosphate : 2.4 - 4.5 mg/dL

Ideal values of Phosphate depending on age :

Age	Ideal Phosphate value
<5 years	2.484
5-10 years	2.57
10-15 years	2.659
15-20 years	2.752
20-25 years	2.848
25-30 years	2.947
30-35 years	3.05
35-40 years	3.156
40-45 years	3.266
45-50 years	3.38
50-55 years	3.498
55-60 years	3.62
60-70 years	3.746
70-80 years	3.876
80-90 years	4.011
90-100 years	4.151
>100 years	4.295

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

Normal range of Phosphorus : 2.5 - 4.5 mg/dL

Ideal values of Phosphorus depending on age :

Age	Ideal Phosphorus value
<5 years	2.587
5-10 years	2.677
10-15 years	2.77
15-20 years	2.866
20-25 years	2.966
25-30 years	3.069
30-35 years	3.176
35-40 years	3.287
40-45 years	3.401
45-50 years	3.519
50-55 years	3.641
55-60 years	3.768
60-70 years	3.899
70-80 years	4.035
80-90 years	4.175
90-100 years	4.32
>100 years	4.47

High Phosphate and low Phosphorus can be caused by a lot of reasons. If you take Phosphate and Phosphorus blood tests and the results are higher than 4.5 mg/dL for Phosphate and lower than 2.5 mg/dL for Phosphorus, 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 Phosphate and Phosphorus Tests Are Done :

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

Medical References

• MedlinePlus – Phosphate in Blood
• WebMD – Phosphate Blood Test: Purpose, High vs. Low vs. Normal Levels
• MedlinePlus – Phosphate in Urine