Aspartate Aminotransferase (AST) 358 U/L: Is That High?

Bottom line: Aspartate Aminotransferase (AST) 358 U/L — see your doctor to discuss this result.

YOUR RESULT
358 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) 358 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 358 U/L might be considered elevated when compared to typical reference ranges. While what's "normal" can vary slightly between different laboratories, a result of 358 U/L generally suggests a level higher than commonly observed. This marker gives a glimpse into the body's internal workings. Understanding what this specific value could indicate is the first step toward informed health choices.

An AST of 358 U/L is 8.9 times the upper reference limit of 40 U/L, meaning it is 795% above normal and 318 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) 358 U/L

An Aspartate Aminotransferase (AST) 358 U/L result can sometimes be a signal that something deeper is happening within the body, prompting further exploration by healthcare professionals. This elevation, while not a diagnosis itself, might be associated with various underlying concerns that deserve attention. It's like a general alert that asks us to look closer at cellular activity, especially in organs where this enzyme is abundant. A thorough evaluation can help uncover the specific reason behind such a reading and guide appropriate next steps. Understanding these possibilities can empower individuals to engage more effectively in their health discussions.

What Does a Aspartate Aminotransferase (AST) Level of 358 U/L Mean?

Aspartate Aminotransferase, often shortened to AST, is an enzyme. Enzymes are like tiny helpers that speed up chemical reactions inside our cells. AST is found in many parts of the body, including the liver, heart, muscles, kidneys, and brain. When cells in these organs are damaged, AST can be released into the bloodstream. This means that an Aspartate Aminotransferase (AST) 358 U/L reading suggests that some cells might have been injured or are under stress, leading to a higher amount of this enzyme circulating. It's a general indicator of cellular integrity. For example, if liver cells are damaged, they release AST, and this can lead to an elevated Aspartate Aminotransferase (AST) value. Similarly, muscle injury can also cause a rise. It’s important to remember that this single number doesn't tell the whole story; it's a piece of a larger puzzle that a healthcare professional considers alongside other factors to understand its significance. A value of Aspartate Aminotransferase (AST) 358 U/L indicates an elevated level of this enzyme in circulation.

Lifestyle Changes for Aspartate Aminotransferase (AST) 358 U/L

While diet is a crucial component of well-being, many other lifestyle adjustments contribute significantly to overall health and can indirectly support the body's systems, potentially influencing markers like Aspartate Aminotransferase (AST) 358 U/L. Regular physical activity, for instance, is vital for maintaining healthy body weight and supporting cardiovascular health, which in turn benefits many internal organs. Aiming for consistent, moderate exercise, as recommended by organizations like the American Heart Association (AHA), can have widespread positive effects. Managing stress effectively is another key area. Chronic stress can impact various bodily functions, so incorporating relaxation techniques such as mindfulness, meditation, or spending time in nature can be beneficial. Ensuring adequate, restorative sleep each night also plays a pivotal role in cellular repair and regeneration, crucial processes that help keep the body functioning optimally. Furthermore, avoiding excessive alcohol consumption and recreational drug use can significantly reduce the burden on organs like the liver, which are rich in AST enzymes. Staying well-hydrated throughout the day by drinking sufficient water is also fundamental for overall cellular health and detoxification processes. These practices collectively support a healthy internal environment, contributing to general well-being that can reflect in various health markers. Embracing these positive lifestyle habits can be an empowering step towards maintaining robust health, regardless of a specific Aspartate Aminotransferase (AST) 358 U/L result.

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Your Aspartate Aminotransferase Summary
SAVE THIS
Your result 358 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