Is Alkaline phosphatase 248 high, normal or dangerous? What does ALP level 248 mean?

📅 Medical Review Date: November 22, 2025

Your Alkaline phosphatase level of 248 is a High Alkaline phosphatase level.

An alkaline phosphatase level of 248 U/L usually means bile ducts may be blocked or bone is turning over rapidly. It suggests liver or bone disorders. High levels of alkaline phosphatase can cause nausea, vomiting, weight loss, fatigue, itching, jaundice, abdominal pain, bone pain, and frequent fractures. This can be caused by gallstones, liver disease, bone fractures, Paget's disease, or certain cancers. Further tests are often needed to identify the cause and guide appropriate treatment.

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	30.744
5-10 years	31.506
10-15 years	32.287
15-20 years	33.088
20-25 years	33.909
25-30 years	34.75
30-35 years	35.612
35-40 years	36.495
40-45 years	37.4
45-50 years	38.328
50-55 years	39.279
55-60 years	40.253
60-70 years	41.251
70-80 years	42.274
80-90 years	43.322
90-100 years	44.396
>100 years	45.497

*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

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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	30.766
5-10 years	31.552
10-15 years	32.358
15-20 years	33.185
20-25 years	34.033
25-30 years	34.902
30-35 years	35.794
35-40 years	36.708
40-45 years	37.646
45-50 years	38.608
50-55 years	39.594
55-60 years	40.605
60-70 years	41.642
70-80 years	42.706
80-90 years	43.797
90-100 years	44.916
>100 years	46.063

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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