Is Alkaline phosphatase 500 high, normal or dangerous? What does ALP level 500 mean?

📅 Medical Review Date: January 26, 2026

Your Alkaline phosphatase level of 500 is a High Alkaline phosphatase level.

High Alkaline phosphatase levels may indicate underlying health problems. The normal range is typically between 30 U/L and 120 U/L. 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 Alkaline phosphatase range for men is :30 - 120 U/L

Ideal values of Alkaline phosphatase depending on age (male) :

Age	Ideal Alkaline phosphatase value
<5 years	31.5
5-10 years	33.075
10-15 years	34.729
15-20 years	36.465
20-25 years	38.288
25-30 years	40.202
30-35 years	42.212
35-40 years	44.323
40-45 years	46.539
45-50 years	48.866
50-55 years	51.309
55-60 years	53.874
60-70 years	56.568
70-80 years	59.396
80-90 years	62.366
90-100 years	65.484
>100 years	68.758

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

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1,51,150

Total number of patients treated

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Some examples of conditions that increase or decrease Alkaline phosphatase levels include:

• Alcohol abuse
• Ulcerative colitis
• Blockage of the bile ducts.
• Insulin resistance
• Congestive heart failure

Receive world-class medical opinion about your high Alkaline phosphatase levels over email.Upload blood test report now

Normal range of Alkaline phosphatase found among women :30-120 U/L

Ideal values of Alkaline phosphatase depending on age (female) :

Age	Ideal Alkaline phosphatase value
<5 years	31.545
5-10 years	33.17
10-15 years	34.878
15-20 years	36.674
20-25 years	38.563
25-30 years	40.549
30-35 years	42.637
35-40 years	44.833
40-45 years	47.142
45-50 years	49.57
50-55 years	52.123
55-60 years	54.807
60-70 years	57.63
70-80 years	60.598
80-90 years	63.719
90-100 years	67.001
>100 years	70.452

If you take a Alkaline phosphatase blood test and the results are not in the normal range (30-120 U/L), 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 Alkaline phosphatase Test Is Done :

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

Medical References

• Cleveland Clinic – Alkaline Phosphatase (ALP): What It Is, Causes & Treatment
• Mayo Clinic – Alkaline phosphatase (ALP) blood test
• MedlinePlus – Alkaline Phosphatase
• WebMD – Alkaline Phosphatase (ALP): Tests and Results

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