AST (SGOT) — What It Means in Your Blood Test
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AST is an enzyme that leaks into your blood when your liver, heart, or muscle cells are stressed or hurt.
AST (SGOT) offers a broad snapshot that touches more than one part of your body. A change here nudges your care team to look wider, since several tissues can nudge this number.
Also known as: SGOT, Aspartate Aminotransferase, AST/SGOT, Aspartate Transaminase, GOT
This isn't a case where higher or lower is better. Your body keeps it in a narrow band, and both directions can matter.
Last reviewed: 2026-08-16
What is AST (SGOT)?
This enzyme helps cells convert amino acids for energy and is present in liver, heart, muscle, and kidney tissue. When any of those cells are damaged, the enzyme spills into the bloodstream.
Why is AST (SGOT) tested?
You have this test alongside ALT to check liver health and look for possible cell damage in your liver or other tissues.
What is a normal AST (SGOT) range?
- India
- No India-specific national reference interval is published for this parameter; your lab's printed range is the most reliable comparison.
- Global
- 10–40 U/L
Ranges vary by lab, method and equipment — the range printed on your own report is the one that applies to your result.
Source: [AASLD, 2023]
What does your AST (SGOT) value mean?
There is no widely-accepted set of value bands for this parameter. Compare your result with the reference range printed on your own report, and discuss it with your doctor.
What does a high AST (SGOT) result mean?
A high level can mean injury to your liver cells, heart muscle, or the muscles you move with. It is worth discussing with your doctor.
What does a low AST (SGOT) result mean?
A low level is usually not a concern.
What can affect your AST (SGOT) result?
- Recent hard exercise
- Alcohol
- Some medicines
- Muscle injury or surgery
- Blood cells breaking in the sample
Questions to ask your doctor
About this result
- What does my AST (SGOT) result mean for me specifically, given my age and health?
- Is my AST (SGOT) in the range that is right for me, not just the lab's general range?
What to do next
- Could anything I eat, do, or take have affected my liver and heart enzyme result?
- Is there anything I should do about my AST (SGOT), or is it fine to leave as it is?
About retesting
- Does my AST (SGOT) need to be repeated, and if so, when?
- The typical range for AST (SGOT) can vary between labs — should I compare my result against my own lab's printed range?
The bigger picture
- Should my AST (SGOT) be looked at together with my Total Bilirubin and Direct Bilirubin result?
- Does my AST (SGOT) connect to any condition I already have, or to anything I have noticed in how I feel?
Frequently asked questions
- What is AST (SGOT)?
- This enzyme helps cells convert amino acids for energy and is present in liver, heart, muscle, and kidney tissue. When any of those cells are damaged, the enzyme spills into the bloodstream. You have this test alongside ALT to check liver health and look for possible cell damage in your liver or other tissues.
- What is a normal liver and heart enzyme test range?
- A typical adult range is around 10–40 U/L. No India-specific national reference interval is published for this parameter; your lab's printed range is the most reliable comparison. Ranges vary by lab, method and equipment — the range printed on your own report is the one that applies to your result.
- What does a high AST (SGOT) result mean?
- A high level can mean injury to your liver cells, heart muscle, or the muscles you move with. It is worth discussing with your doctor.
- What does a low AST (SGOT) result mean?
- A low level is usually not a concern.
- What can affect your AST (SGOT) result?
- Several everyday factors can influence it, including Recent hard exercise, Alcohol, Some medicines, Muscle injury or surgery, Blood cells breaking in the sample.
Sources
- AASLD (2023) — Practice Guidance on Evaluation of Hepatic Function Tests
- CLSI (2010) — EP28-A3c Reference Interval Guidelines
Part of the Liver Function
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