Is ALT SGPT 177 high, normal or dangerous? What does Alanine aminotransferase level 177 mean?

📅 Medical Review Date: December 14, 2025

Your ALT SGPT level of 177 is a High ALT SGPT level.

An ALT SGPT level of 177 U/L usually means liver cells are inflamed or damaged. It suggests liver injury. High levels of ALT SGPT can cause extreme tiredness, nausea, vomiting, right-sided abdominal pain, loss of appetite, dark urine, and jaundice. This can be caused by viral hepatitis, non-alcoholic fatty liver disease, alcohol-related liver disease, or medication side effects. Further tests are often needed to identify the cause and guide appropriate treatment.

High ALT SGPT levels may indicate underlying health problems. The normal range is typically between 21 U/L and 72 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 ALT SGPT range for men is :21 - 72 U/L

Ideal values of ALT SGPT depending on age (male) :

Age	Ideal ALT SGPT value
<5 years	21.372
5-10 years	21.75
10-15 years	22.135
15-20 years	22.527
20-25 years	22.926
25-30 years	23.332
30-35 years	23.745
35-40 years	24.165
40-45 years	24.593
45-50 years	25.028
50-55 years	25.471
55-60 years	25.922
60-70 years	26.381
70-80 years	26.848
80-90 years	27.323
90-100 years	27.807
>100 years	28.299

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

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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

Receive world-class medical opinion about your high ALT SGPT levels over email.Upload blood test report now

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

Ideal values of ALT SGPT depending on age (female) :

Age	Ideal ALT SGPT value
<5 years	21.383
5-10 years	21.773
10-15 years	22.17
15-20 years	22.574
20-25 years	22.986
25-30 years	23.405
30-35 years	23.832
35-40 years	24.266
40-45 years	24.708
45-50 years	25.158
50-55 years	25.617
55-60 years	26.084
60-70 years	26.56
70-80 years	27.044
80-90 years	27.537
90-100 years	28.039
>100 years	28.55

If you take a ALT SGPT blood test and the results are not in the normal range (21-72 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 ALT SGPT Test Is Done :

When your doctor orders a ALT SGPT test, it involves a straightforward blood draw to measure your ALT SGPT levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your ALT SGPT test results are usually available within a few hours.

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

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