Is Alkaline phosphatase 37 normal, high or low? What does ALP level 37 mean?

📅 Medical Review Date: September 13, 2025

Your Alkaline phosphatase level of 37 is a Normal Alkaline phosphatase level.

Normal 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	31.11
5-10 years	32.261
10-15 years	33.455
15-20 years	34.693
20-25 years	35.977
25-30 years	37.308
30-35 years	38.688
35-40 years	40.119
40-45 years	41.603
45-50 years	43.142
50-55 years	44.738
55-60 years	46.393
60-70 years	48.11
70-80 years	49.89
80-90 years	51.736
90-100 years	53.65
>100 years	55.635

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

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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 normal 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	31.143
5-10 years	32.33
10-15 years	33.562
15-20 years	34.841
20-25 years	36.169
25-30 years	37.547
30-35 years	38.978
35-40 years	40.463
40-45 years	42.005
45-50 years	43.606
50-55 years	45.268
55-60 years	46.993
60-70 years	48.784
70-80 years	50.643
80-90 years	52.573
90-100 years	54.577
>100 years	56.657

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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