What causes high Phosphorus and low Vitamin B12?

High Phosphorus and low Vitamin B12 can be caused by many reasons.

If your Phosphorus is in between 2.5 mg/dL and 4.5 mg/dL and your Vitamin B12 is in between 211 pg/mL and 911 pg/mL then you need not worry as these are the normal ranges for Phosphorus and Vitamin B12 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	2.71
5-10 years	2.938
10-15 years	3.185
15-20 years	3.453
20-25 years	3.743
25-30 years	4.057
30-35 years	4.398
35-40 years	4.367
40-45 years	4.336
45-50 years	4.305
50-55 years	4.275
55-60 years	4.245
60-70 years	4.215
70-80 years	4.185
80-90 years	4.156
90-100 years	4.127
>100 years	4.474

*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 Vitamin B12 : 211 - 911 pg/mL

Ideal values of Vitamin B12 depending on age :

Age	Ideal Vitamin B12 value
<5 years	228.724
5-10 years	247.937
10-15 years	268.764
15-20 years	291.34
20-25 years	315.813
25-30 years	342.341
30-35 years	371.098
35-40 years	402.27
40-45 years	436.061
45-50 years	472.69
50-55 years	512.396
55-60 years	555.437
60-70 years	602.094
70-80 years	652.67
80-90 years	707.494
90-100 years	766.923
>100 years	831.345

High Phosphorus and low Vitamin B12 can be caused by a lot of reasons. If you take Phosphorus and Vitamin B12 blood tests and the results are higher than 4.5 mg/dL for Phosphorus and lower than 211 pg/mL for Vitamin B12, 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 Vitamin B12 Tests Are Done :

If your doctor wants Phosphorus and Vitamin B12 tests on you, you may need to go through these tests. During the Phosphorus and Vitamin B12 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 Vitamin B12 Test reports by your pathologist.