What causes high ALT SGPT and low INR?

High ALT SGPT and low INR can be caused by many reasons.

If your ALT SGPT is in between 21 U/L and 72 U/L and your INR is in between 0.9 ratio and 1.2 ratio then you need not worry as these are the normal ranges for ALT SGPT and INR respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of ALT SGPT : 21 - 72 U/L

Ideal values of ALT SGPT depending on age :

Age	Ideal ALT SGPT value
<5 years	21.373
5-10 years	21.752
10-15 years	22.138
15-20 years	22.531
20-25 years	22.931
25-30 years	23.338
30-35 years	23.752
35-40 years	24.173
40-45 years	24.602
45-50 years	25.038
50-55 years	25.482
55-60 years	25.934
60-70 years	26.394
70-80 years	26.862
80-90 years	27.339
90-100 years	27.824
>100 years	28.318

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

If you want your blood test report to be interpreted by ALT SGPT specialist, then you can upload your report. Our ALT SGPT expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

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Some examples of conditions that increase or decrease ALT SGPT levels include:

• Alcohol abuse
• Blockage of the bile ducts.
• Kidney damage.
• Damage to red blood cells
• Heart attack or heart failure

If you want your blood test report to be interpreted by ALT SGPT specialist, you can upload your report. Our ALT SGPT expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of INR : 0.9 - 1.2 ratio

Ideal values of INR depending on age :

Age	Ideal INR value
<5 years	0.916
5-10 years	0.932
10-15 years	0.949
15-20 years	0.966
20-25 years	0.983
25-30 years	1
30-35 years	1.018
35-40 years	1.036
40-45 years	1.054
45-50 years	1.073
50-55 years	1.092
55-60 years	1.111
60-70 years	1.131
70-80 years	1.151
80-90 years	1.171
90-100 years	1.192
>100 years	1.191

High ALT SGPT and low INR can be caused by a lot of reasons. If you take ALT SGPT and INR blood tests and the results are higher than 72 U/L for ALT SGPT and lower than 0.9 ratio for INR, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the ALT SGPT and INR Tests Are Done :

If your doctor wants ALT SGPT and INR tests on you, you may need to go through these tests. During the ALT SGPT and INR blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your ALT SGPT and INR Test reports by your pathologist.

Medical References

• Mayo Clinic – Alanine aminotransferase (ALT) blood test
• MedlinePlus – ALT Blood Test
• WebMD – Alanine Aminotransferase (ALT) Test: What Does It Mean?
• Cleveland Clinic – Alanine Transaminase (ALT) Blood Test: What It Is, Procedure & Results