What causes high ALT SGPT and low GGT?

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

If your ALT SGPT is in between 21 U/L and 72 U/L and your GGT is in between 15 U/L and 85 U/L then you need not worry as these are the normal ranges for ALT SGPT and GGT 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	21.363
5-10 years	21.732
10-15 years	22.108
15-20 years	22.49
20-25 years	22.879
25-30 years	23.275
30-35 years	23.677
35-40 years	24.086
40-45 years	24.502
45-50 years	24.926
50-55 years	25.357
55-60 years	25.795
60-70 years	26.241
70-80 years	26.695
80-90 years	27.157
90-100 years	27.627
>100 years	28.105

*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 GGT : 15 - 85 U/L

Ideal values of GGT depending on age :

Age	Ideal GGT value
<5 years	15.259
5-10 years	15.523
10-15 years	15.791
15-20 years	16.064
20-25 years	16.342
25-30 years	16.625
30-35 years	16.912
35-40 years	17.204
40-45 years	17.501
45-50 years	17.804
50-55 years	18.112
55-60 years	18.425
60-70 years	18.744
70-80 years	19.068
80-90 years	19.398
90-100 years	19.733
>100 years	20.074

High ALT SGPT and low GGT can be caused by a lot of reasons. If you take ALT SGPT and GGT blood tests and the results are higher than 72 U/L for ALT SGPT and lower than 15 U/L for GGT, 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 GGT Tests Are Done :

If your doctor wants ALT SGPT and GGT tests on you, you may need to go through these tests. During the ALT SGPT and GGT 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 GGT 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