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Tell it who you are and what else was on your test. Every line below, including the article, rewrites itself as you go.

HDL42
Triglycerides180
ApoB110
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Alanine Aminotransferase (ALT)mg/dL
Gamma-Glutamyl Transferase (GGT)mg/dL
Alkaline Phosphatase (ALP)mg/dL
247 U/L very high
0 from your result
elevatedvery high
1normal 5 to 41500
what this means

247 is very high for AST, enough that the number itself is the problem.

this is the average reading · make it yours below

reading as

This level is usually treated as urgent. A result this far outside the range is normally checked by a doctor promptly, not at your next routine appointment.

You are 206 U/L over the normal ceiling of 41. That reads very high.

247 is very high. That is above the normal range for AST. How much it matters depends on the markers it travels with, which is what the sections below are rewritten against.

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Your BloodMarker report · Aspartate Aminotransferase (AST)

Aspartate Aminotransferase (AST) 247 U/L: Is That High?

Yes. 247 U/L is well outside the normal range for AST.

But a number alone is only half the story. Your Alanine Aminotransferase (ALT), Gamma-Glutamyl Transferase (GGT) and your risk factors decide how much it means. Tell it who you are.

Reviewed against ALF, NIH, Mayo Clinic, AGA guidelines · Last reviewed March 22, 2026

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YOUR NUMBERS

Normal: <40
Raised: 40-79
High: 80+

Values in U/L. Your Aspartate Aminotransferase (AST) of 247 is marked.

What they say together.

Aspartate Aminotransferase (AST) is read as part of a set. Add the ones printed next to it on your test and the figures below work themselves out, with the ranges this page uses for each.

U/LHIGH
U/LexampleNORMAL
U/LexampleRAISED
247 ÷ 38 =6.5AST to ALT ratio, the De Ritis ratio. Under 1 is the usual fatty-liver pattern; above 2 points at alcohol.
62 and 381.6GGT against ALT. GGT rising faster than ALT is the pattern that separates alcohol and bile flow from fat in the liver.
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Is Aspartate Aminotransferase (AST) 247 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 247 U/L might be considered higher than typical for many adults. This specific reading suggests a level that healthcare professionals often review closely. While a single number doesn't tell the whole story, it can spark curiosity about what's happening within your body.

Understanding what Aspartate Aminotransferase (AST) is and what your specific reading could mean is a crucial step in your health journey. Let's explore together what this measurement might represent for your well-being.

what this page cannot tell you

The AST/ALT ratio above 2:1 suggests alcoholic liver disease. Near 1:1 points to non-alcoholic fatty liver. Which is yours?

This page has not been given your ALT, so that half of the picture is missing here. It is describing the average reader with Aspartate Aminotransferase (AST), not you.

Read mine against my ALT →

A circulating Aspartate Aminotransferase (AST) level of 247 U/L is a critically elevated finding, signaling significant cellular damage, most commonly originating from the liver or skeletal muscles. This value is more than five times the upper limit of the normal range, pushing it firmly into the "very high" and clinically concerning category.

Such a substantial increase often indicates acute liver inflammation, as seen in conditions like acute viral hepatitis, severe alcohol-related liver injury, or damage from certain medications or toxins. Less frequently, but still important to consider, severe muscle trauma or rhabdomyolysis can also cause AST to rise dramatically.

Immediate medical attention is warranted to identify the precise underlying cause. Further diagnostic steps typically involve co-testing for Alanine Aminotransferase (ALT), bilirubin, and alkaline phosphatase to better characterize liver function, alongside imaging studies like an abdominal ultrasound, and specific blood tests for hepatitis viruses or autoimmune markers.

Patients should understand that while 247 U/L is an alarming indicator, it's a signpost pointing to a problem, not a diagnosis in itself. Prompt investigation is crucial, not only to identify the cause but also to prevent further damage and initiate appropriate, often time-sensitive, treatment.

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
for your numbersThe section below is written for 247 against a general adult target. What 247 means for you depends on the rest of your lipids and your other risk factors. Your report starts from your whole picture, not one line.

Hidden Risk of Aspartate Aminotransferase (AST) 247 U/L

When your Aspartate Aminotransferase (AST) level is 247 U/L, it suggests that there might be a signal from certain parts of your body. AST is an enzyme, which is a protein that helps speed up chemical reactions in cells.

This enzyme is found in many different tissues, including the liver, heart, skeletal muscles, kidneys, and red blood cells. Normally, AST levels in the bloodstream are quite low. An elevated level, such as Aspartate Aminotransferase (AST) 247 U/L, indicates that cells containing this enzyme might have experienced some form of disruption or damage, releasing AST into the blood.

While this can sometimes be temporary and minor, it's a marker that encourages a closer look into potential underlying causes. It’s a valuable piece of information for understanding your body’s current state.

For instance, temporary muscle strain from intense exercise can cause a rise in AST, or it could point towards other considerations within your body's systems. This marker helps healthcare providers gain a more complete picture of your internal health landscape, guiding further exploration and personalized care.

Understanding the potential influences behind an elevated Aspartate Aminotransferase (AST) 247 U/L can be an empowering part of managing your overall health and well-being. It is a sign that your body might be working through something, and it warrants thoughtful attention.

Engaging with your healthcare provider to discuss your Aspartate Aminotransferase (AST) 247 U/L result is an important next step in understanding what this signal means specifically for you and how best to support your health.

They can help interpret this number in the context of your overall health and other markers. Think of it as your body giving you a nudge to pay attention to certain areas of your internal environment.

These higher levels often suggest a need for further evaluation to pinpoint the exact source and nature of the cellular activity.

what this page cannot tell you

AST and ALP together distinguish between liver cell damage and cholestatic disease, which have completely different treatments.

This page has not been given your ALP, so it cannot tell you which of those you are. It is describing the average reader with Aspartate Aminotransferase (AST), not you.

Read mine against my ALP →

An aspartate aminotransferase level of 247 U/L, which is over five times the upper limit of normal, significantly elevates the risk of acute liver injury. At this magnitude of elevation, the liver cells are experiencing substantial damage, potentially leading to inflammation that can impair detoxification and metabolic functions.

This can manifest as jaundice, fluid accumulation in the abdomen (ascites), and a declining ability of the liver to synthesize essential proteins like albumin and clotting factors, increasing the likelihood of bleeding complications.

While a single reading requires context, such a high AST strongly suggests an ongoing, active insult to the hepatocytes that needs immediate attention to prevent progression to more severe liver dysfunction.

for your numbersThe risk below is the average one for this AST. Whether it applies to you depends on the rest of your panel, which the article has not been given. Add them and this stops describing strangers.

This part is about the number

Everything below explains what raises Aspartate Aminotransferase (AST). It cannot tell you which of them is yours.

Your test can. Every marker on it is read against every other one, which is where the answer actually lives.

PDF or a photo of the printout · read in seconds

What Does a Aspartate Aminotransferase (AST) Level of 247 U/L Mean?

Aspartate Aminotransferase (AST) 247 U/L means that the amount of this specific enzyme detected in your bloodstream is at a particular value. To understand this, let's break down what AST actually is.

As mentioned, AST is an enzyme, a type of protein that plays a vital role in metabolism, helping cells create energy. It's normally housed inside cells, primarily in the liver, heart, and various muscle tissues, but also in smaller amounts in the kidneys and brain.

When cells in these organs are healthy, very little AST escapes into the bloodstream. However, if cells are damaged or disrupted for any reason, they release their contents, including AST, into the blood.

This leads to an increase in the measurable Aspartate Aminotransferase (AST) level. So, an Aspartate Aminotransferase (AST) 247 U/L reading essentially suggests that there has been some cellular activity or change that has led to more AST being present in your blood than is typically observed.

It's like a messenger indicating that something might be going on within the tissues where AST is abundant. The elevation itself is not a diagnosis but rather a signal or a clue that points towards the need for further investigation to determine the exact cause.

For example, conditions affecting the liver, such as inflammation or injury, can cause liver cells to release AST. Similarly, damage to heart muscle after an event or even intense physical exertion affecting skeletal muscles can lead to elevated AST levels.

The magnitude of the elevation, like Aspartate Aminotransferase (AST) 247 U/L, provides a piece of information that helps healthcare professionals narrow down the possibilities and determine the next steps for understanding your health.

It encourages a holistic view, considering your lifestyle, other health markers, and medical history. This number encourages a deeper look into your body's functioning, providing valuable insights for maintaining your well-being. It's a key data point in your personal health narrative.

A finding of 247 U/L for AST is most plausibly linked to acute viral hepatitis, such as hepatitis A, B, or E, especially if recent exposure occurred. Another strong contender is drug-induced liver injury (DILI), with common culprits including acetaminophen overdose (even if unintentional due to combination products), certain antibiotics, or statins taken at prescribed or higher doses.

Less commonly, but still possible at this level, is acute alcoholic hepatitis, indicating a recent binge or significant chronic alcohol abuse, or acute ischemic hepatitis due to severe systemic illness or shock causing reduced blood flow to the liver.

Your AST 247 means different things depending on your other markers

AST + ALT
The AST/ALT ratio above 2:1 suggests alcoholic liver disease. Near 1:1 points to non-alcoholic fatty liver. Which is yours?
AST + ALP
AST and ALP together distinguish between liver cell damage and cholestatic disease, which have completely different treatments.
AST + Creatine Kinase
If your CK is also high, your elevated AST might be from muscle damage, not liver damage at all.
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for your numbersThis section lists every reason AST moves, because on its own the number cannot say which is yours. The rest of your panel and a few risk factors would cross most of them off in a sentence.

Lifestyle Changes for Aspartate Aminotransferase (AST) 247 U/L

Making thoughtful lifestyle choices beyond just what you eat can play a significant role in supporting your body's overall health and, indirectly, influence markers like Aspartate Aminotransferase (AST) 247 U/L.

These changes focus on nurturing your body's natural resilience and promoting optimal function of vital organs. Regular physical activity, for example, can be beneficial for circulation and metabolic health. The American Heart Association (AHA) often emphasizes the importance of consistent, moderate exercise for overall cardiovascular wellness.

However, it’s important to note that very intense or prolonged exercise can temporarily raise AST levels due to muscle breakdown, so balance is key. Adequate hydration is another cornerstone of good health.

Drinking enough water helps your body's systems function smoothly, including detoxification processes in the liver and kidney function. Prioritizing restful sleep is equally crucial. During sleep, your body undergoes repair and regeneration, which is vital for cellular health across all tissues, including those containing Aspartate Aminotransferase (AST).

Chronic sleep deprivation can put stress on the body, potentially affecting various physiological markers. Managing stress effectively is also important. Prolonged stress can have widespread effects on the body, impacting hormone balance and inflammatory responses.

Techniques such as mindfulness, meditation, yoga, or spending time in nature can help reduce stress levels and promote a sense of calm. Avoiding exposure to environmental toxins, where possible, can also support liver health, as the liver is responsible for processing many substances.

These comprehensive lifestyle approaches contribute to a healthier internal environment, fostering a sense of balance and supporting the natural functions of your organs. They are not direct treatments for an Aspartate Aminotransferase (AST) 247 U/L reading, but rather foundational practices that contribute to overall vitality and can indirectly support the well-being of the systems that influence this marker.

Engaging in these positive habits creates a supportive environment for your body's natural healing and maintenance processes. It’s about building a robust foundation for your health journey, which can have far-reaching positive effects on various bodily functions and markers.

Immediately seek medical evaluation from your primary care physician or an emergency department. Do not delay. While awaiting further assessment, cease all alcohol consumption and discontinue any over-the-counter medications, supplements, or prescription drugs not deemed essential by your doctor.

Your physician will likely order a repeat AST and ALT, along with viral hepatitis serologies, acetaminophen levels, and potentially an autoimmune liver panel. Depending on the findings, referral to a hepatologist or gastroenterologist specializing in liver disease will be crucial for diagnosis and management of the underlying cause.

for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

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What you actually get

A page like this one, written about you.

You have just spent a few minutes reading a page written for a number. Upload your whole test and you get the same thing written for your body: every marker read against every other, in the order they should be fixed, as something you read rather than a dashboard you have to decode.

  • Read in orderWhich number to deal with first, and which ones are only following it.
  • Written, not chartedThe same voice as this page, about your own blood, on your own page.
  • Every retest joins itThe line builds itself, so the next version shows what moved.

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