Aspartate Aminotransferase (AST) 213 U/L: Is That High?

Bottom line: Aspartate Aminotransferase (AST) 213 U/L — see your doctor to discuss this result.

YOUR RESULT
213 U/L
Very High
Combined with your ALT, the ratio distinguishes alcoholic from non-alcoholic causes
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Aspartate Aminotransferase (AST) RangeValues
Very LowBelow 5 U/L
Normal5 - 40 U/L
Mildly Elevated41 - 80 U/L
Elevated81 - 200 U/L
Very High201+ U/L

Is Aspartate Aminotransferase (AST) 213 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 213 U/L might be considered an elevated level. Understanding what this measurement represents can offer insights into various aspects of your health. While laboratory reference ranges can differ, a value of 213 U/L for Aspartate Aminotransferase (AST) typically falls above what is usually seen as a standard range. This particular number invites a closer look at what it means for your well-being and what steps generally support your health journey.

An AST of 213 U/L is 5.3 times the upper reference limit of 40 U/L, meaning it is 432% above normal and 173 U/L over the cutoff. That places it in the moderate elevation range (3 to 10 times the upper limit), where elevations are typically seen with viral hepatitis, alcoholic hepatitis, drug-induced liver injury, autoimmune hepatitis, or ongoing muscle injury, warranting timely clinical evaluation.

The liver and Aspartate Aminotransferase (AST) LIVER Produces Aspartate Aminotransferase (AST) Blood supply Bile output Elevated Aspartate Aminotransferase (AST) may indicate liver cell damage or stress

Hidden Risk of Aspartate Aminotransferase (AST) 213 U/L

An Aspartate Aminotransferase (AST) 213 U/L level, when elevated, can sometimes point to underlying factors that might not be immediately obvious. This enzyme is present in several parts of the body, including the liver, heart, muscles, kidneys, and brain. When cells in these areas are irritated or damaged, Aspartate Aminotransferase (AST) can be released into the bloodstream, leading to higher levels. It is not specific to one organ, meaning an elevated Aspartate Aminotransferase (AST) can suggest a need for further exploration to pinpoint the source. Understanding potential influences is a key step in health awareness, allowing you to engage proactively with your healthcare provider about your Aspartate Aminotransferase (AST) 213 U/L result.

What Does a Aspartate Aminotransferase (AST) Level of 213 U/L Mean?

Understanding what Aspartate Aminotransferase (AST) 213 U/L signifies begins with knowing that Aspartate Aminotransferase (AST) is an enzyme. Enzymes are proteins that help speed up chemical reactions in the body. Aspartate Aminotransferase (AST) plays a role in amino acid metabolism, which is essential for energy production. It is found in many cells throughout the body, with higher concentrations in the liver, heart, and skeletal muscles. When these cells are damaged due to various reasons, the Aspartate Aminotransferase (AST) enzyme can leak from inside the cells into your bloodstream, leading to an elevated level. A reading of Aspartate Aminotransferase (AST) 213 U/L suggests that there might be some degree of cellular disruption or irritation somewhere in the body. While a very high Aspartate Aminotransferase (AST) often points toward liver or muscle issues, this specific level requires careful consideration alongside your overall health picture. It doesn't pinpoint an exact problem on its own, but it serves as an indicator that warrants further investigation to understand the cause of this particular Aspartate Aminotransferase (AST) 213 U/L finding. A healthcare provider uses this information, along with other tests and your health history, to form a complete understanding. This specific Aspartate Aminotransferase (AST) 213 U/L value is a piece of a larger health puzzle, prompting a deeper dive into potential causes that could explain why your Aspartate Aminotransferase (AST) is at this level. Organizations like the American Liver Foundation provide general information on liver health, which is often a key area of focus when Aspartate Aminotransferase (AST) levels are elevated, even at 213 U/L. The meaning of Aspartate Aminotransferase (AST) 213 U/L is best understood as an invitation to engage with your doctor.

Lifestyle Changes for Aspartate Aminotransferase (AST) 213 U/L

Making certain lifestyle adjustments, beyond just what you eat, can play a supportive role in overall wellness and potentially influence enzyme levels like Aspartate Aminotransferase (AST). Prioritizing consistent physical activity, for instance, can enhance circulation and support metabolic health. However, it is important to balance exercise, as intense or unaccustomed physical exertion can temporarily increase Aspartate Aminotransferase (AST) levels due to normal muscle breakdown. Ensuring adequate rest and managing daily stresses are also crucial. Chronic stress can impact various bodily systems, and adopting relaxation techniques like mindfulness or deep breathing can be beneficial. Getting enough quality sleep allows the body to repair and restore itself, contributing to cellular health. Avoiding excessive alcohol consumption is a well-known factor in maintaining liver health, which is particularly relevant given that Aspartate Aminotransferase (AST) is found in high concentrations in liver cells. Hydration is another simple yet powerful tool; drinking sufficient water helps bodily processes function efficiently. Each of these lifestyle components contributes to a foundation of well-being that can support your body's systems, including those that regulate enzymes like Aspartate Aminotransferase (AST). Understanding these general health principles can empower you as you discuss your Aspartate Aminotransferase (AST) 213 U/L with your healthcare team. The path to understanding an Aspartate Aminotransferase (AST) 213 U/L result involves looking at the full spectrum of your daily habits.

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Your Aspartate Aminotransferase Summary
SAVE THIS
Your result 213 U/L
Classification Very High
Optimal target 5 - 40 U/L
Retest in As directed by your doctor
Recommended Actions
Talk to your doctor as soon as possible to discuss treatment options
Stop alcohol completely until discussed with your doctor
Avoid acetaminophen and unnecessary medications
Begin moderate exercise (walking 30 min/day) once cleared by your doctor
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Ernestas K.
Written by
Clinical research writer specializing in human health, biology, and preventive medicine.
Reviewed against ALF, NIH, Mayo Clinic, AGA guidelines · Last reviewed March 22, 2026
Disclaimer: This content is for informational purposes only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. BloodMarker does not establish a doctor-patient relationship. Terms & Conditions