Alkaline Phosphatase (ALP)

Liver Health

A healthy result should fall into the range 44 - 126 U/L, or 44.00 - 126.00 IU/L.

Alkaline phosphatase (ALP) is an enzyme found throughout our bloodstream. ALP assists in the breakdown of proteins in the body and exists in different forms, depending on where it originates. Most commonly produced by the liver, ALP is also made in our bones, intestine, kidneys, and (in pregnant women) the placenta creates ALP.  Tests to determine ALP levels in blood are performed during routine assessments of liver function and bone density. Symptoms of liver disease include:

            -Jaundice (yellowing of skin and eyes)

            -Abdominal pain

            -Nausea / vomiting.

Symptoms of bone disease include:

            -Bone / joint pain

            -Increased frequency of fractures

            -Deformed bones

It is worth noting that some medicines, including: antibiotics, birth control pills, long-term aspirin use, and oral diabetic medications may affect the results of an ALP test.

Normal Ranges in years : U/L

Female:






10 
11 
12 
13 
14 
15 
16 
17-23 
24-45 
46-50 
51-55 
56-60 
61-65 


169-372 
162-355
169-370
183-402
199-440
212-468
215-476
178-526
133-485
120-449
153-362
75-274
61-264
52-144
37-98
39-100
41-108
46-118
55-142

Male:






10 
11 
12 
13 
14 
15 
16 
17 
18 
>18 

 
149-369
179-416
179-417
172-405
169-401
175-411
191-435
185-507
185-507
182-587
166-571
138-511
102-417
69-311
52-222
45-115

Alkaline Phosphatase (ALP) result calculator

insert the value from you Alkaline Phosphatase (ALP) test result.

What does it mean if your Alkaline Phosphatase (ALP) result is too low?

Conditions that lead to malnutrition (for instance, celiac disease) or are the result of lack of nutrients in the diet (such as scurvy) are typically the cause of a low ALP level; although, it is rare. 

What does it mean if your Alkaline Phosphatase (ALP) result is too high?

High levels of ALP can be caused by liver diseases, including: hepatitis, cirrhosis, blockage of the bile ducts, gallstones, liver cancer, or cancer that has spread to the liver from another part of the body. High ALP may also indicate bone diseases such as: Paget’s disease, osteomalacia, vitamin D deficiency, rickets, bone tumors, or tumors that have spread to the bones from another part of the body. Cardiovascular problems such as heart failure or heart attack are also known to increase ALP levels.

Women going through menopause typically have a higher ALP level than women who still have menstrual cycles, and children are known to have high ALP levels due to rapid bone growth. In addition, pregnant women usually show higher ALP levels. 



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