What causes high ALT SGPT and low FT4 thyroid?

High ALT SGPT and low FT4 thyroid can be caused by many reasons.

If your ALT SGPT is in between 21 U/L and 72 U/L and your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL then you need not worry as these are the normal ranges for ALT SGPT and FT4 thyroid 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	21.368
5-10 years	21.742
10-15 years	22.122
15-20 years	22.509
20-25 years	22.903
25-30 years	23.304
30-35 years	23.712
35-40 years	24.127
40-45 years	24.549
45-50 years	24.979
50-55 years	25.416
55-60 years	25.861
60-70 years	26.314
70-80 years	26.774
80-90 years	27.243
90-100 years	27.72
>100 years	28.205

*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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ALT SGPT treatment - Click to read 10 GOLDEN ARTICLES on Liver health

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 FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.90558
5-10 years	0.92143
10-15 years	0.93756
15-20 years	0.95397
20-25 years	0.97066
25-30 years	0.98765
30-35 years	1.00493
35-40 years	1.02252
40-45 years	1.04041
45-50 years	1.05862
50-55 years	1.07715
55-60 years	1.096
60-70 years	1.11518
70-80 years	1.1347
80-90 years	1.15456
90-100 years	1.17476
>100 years	1.19532

High ALT SGPT and low FT4 thyroid can be caused by a lot of reasons. If you take ALT SGPT and FT4 thyroid blood tests and the results are higher than 72 U/L for ALT SGPT and lower than 0.89 ng/dL for FT4 thyroid, 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 FT4 thyroid Tests Are Done :

If your doctor wants ALT SGPT and FT4 thyroid tests on you, you may need to go through these tests. During the ALT SGPT and FT4 thyroid 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 FT4 thyroid 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