Is Phosphorus 4 normal, high or low? What does Phosphorus level 4 mean?

📅 Medical Review Date: October 10, 2025

Your Phosphorus level of 4 is a Normal Phosphorus level.

Normal Phosphorus levels may indicate underlying health problems. The normal range is typically between 2.5 mg/dL and 4.5 mg/dL. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal Phosphorus range for men is :2.5 - 4.5 mg/dL

Ideal values of Phosphorus depending on age (male) :

Age	Ideal Phosphorus value
<5 years	2.6
5-10 years	2.704
10-15 years	2.812
15-20 years	2.924
20-25 years	3.041
25-30 years	3.163
30-35 years	3.29
35-40 years	3.422
40-45 years	3.559
45-50 years	3.701
50-55 years	3.849
55-60 years	4.003
60-70 years	4.163
70-80 years	4.33
80-90 years	4.323
90-100 years	4.496
>100 years	4.489

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

Get Advice via Email : Send us your blood test report, and our Phosphorus experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides Phosphorus, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

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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

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

Receive world-class medical opinion about your normal Phosphorus levels over email.Upload blood test report now

Normal range of Phosphorus found among women :2.5-4.5 mg/dL

Ideal values of Phosphorus depending on age (female) :

Age	Ideal Phosphorus value
<5 years	2.603
5-10 years	2.71
10-15 years	2.822
15-20 years	2.938
20-25 years	3.059
25-30 years	3.185
30-35 years	3.316
35-40 years	3.453
40-45 years	3.595
45-50 years	3.743
50-55 years	3.897
55-60 years	4.058
60-70 years	4.225
70-80 years	4.399
80-90 years	4.391
90-100 years	4.384
>100 years	4.377

If you take a Phosphorus blood test and the results are not in the normal range (2.5-4.5 mg/dL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Phosphorus Test Is Done :

When your doctor orders a Phosphorus test, it involves a straightforward blood draw to measure your Phosphorus levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Phosphorus test results are usually available within a few hours.