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

252 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 211 U/L over the normal ceiling of 41. That reads very high.

252 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) 252 U/L: Is That High?

Yes. 252 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 252 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
252 ÷ 38 =6.6AST 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) 252 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 252 U/L might be considered higher than what is typically expected for many individuals. Most often, results for Aspartate Aminotransferase (AST) fall within a much lower range.

While a specific reading of 252 U/L doesn't provide a diagnosis on its own, it does suggest that further understanding and context could be beneficial. Exploring what this number means can help you feel more informed about your body's complex workings and guide your next steps.

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 →

An Aspartate Aminotransferase (AST) level of 252 U/L is a very significant elevation, signaling acute and potentially severe cellular damage, as this value is over five times the upper limit of the normal range.

Such a markedly high result often points towards substantial injury to liver cells, though it can also stem from significant damage to muscle tissue, including cardiac muscle. At this specific level, common culprits for liver-related elevation include acute viral hepatitis, sudden adverse reactions to certain medications (like some antibiotics or high doses of acetaminophen), excessive alcohol consumption, or conditions leading to reduced blood flow to the liver.

This critical signal demands prompt investigation. To pinpoint the exact cause, your healthcare provider will likely order a comprehensive liver panel, including Alanine Aminotransferase (ALT) to assess the liver-specificity of the injury, bilirubin, and alkaline phosphatase, along with tests for hepatitis viruses or an abdominal ultrasound.

Patients should understand that while a number this high warrants immediate attention, it doesn't always correlate with severe symptoms initially, making proactive follow-up essential to prevent further damage or complications.

The good news is that many causes of such acute elevation, once identified and addressed, can be managed effectively, often allowing AST levels to return to normal with appropriate intervention.

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 252 against a general adult target. What 252 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) 252 U/L

An Aspartate Aminotransferase (AST) 252 U/L result, indicating an elevated level of this particular enzyme, may prompt questions about its origins within the body. AST is present in various tissues, including the liver, heart, muscles, kidneys, and brain.

When cells in these tissues experience damage or stress, they can release enzymes like Aspartate Aminotransferase (AST) into the bloodstream, leading to higher measured levels. This elevation can sometimes be an indicator of cellular disruption.

For instance, processes affecting the liver are a common consideration when Aspartate Aminotransferase (AST) levels are elevated, as this organ is a major source of the enzyme. Understanding the potential sources of such an elevation is key to interpreting the result effectively, as it’s a general marker rather than a specific disease indicator.

The presence of Aspartate Aminotransferase (AST) 252 U/L suggests a need to explore what might be happening at a cellular level, highlighting the body's intricate responses to various influences. It’s a signal that invites a broader look at overall health and how different bodily systems are functioning.

This level of Aspartate Aminotransferase (AST) encourages careful consideration of various possibilities. It’s important to remember that this finding alone does not define a health condition, but rather points to an area for further discussion and investigation with a healthcare professional.

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 AST level of 252 U/L, which is significantly elevated and over five times the upper limit of normal, signals substantial hepatocellular injury. This degree of elevation suggests active damage to liver cells, potentially leading to inflammation that, if unaddressed, can progress to fibrosis or cirrhosis over time.

The sustained high level indicates ongoing cellular stress or damage, increasing the risk of impaired liver function, including reduced synthesis of essential proteins like albumin and clotting factors. Furthermore, severe liver damage can affect detoxification pathways, leading to a buildup of toxins in the bloodstream, impacting brain function and other organs. This value requires immediate investigation to prevent further irreversible harm.

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.
  • Cellular distress in various organs.
  • Potential impact on the liver or muscles.

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.

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What Does a Aspartate Aminotransferase (AST) Level of 252 U/L Mean?

When your Aspartate Aminotransferase (AST) level is found to be 252 U/L, it indicates that more of this specific enzyme is circulating in your blood than is typically observed. AST is an enzyme that plays a vital role inside cells, primarily helping to process amino acids, which are the building blocks of proteins.

It's normally housed within the cells of several organs, particularly in significant amounts within liver cells, heart muscle cells, and skeletal muscle cells. Under typical circumstances, only small amounts of AST are present in the bloodstream.

However, if cells in these organs are damaged or inflamed, they can release their contents, including AST, into the bloodstream. This release is what causes an elevation in your blood test results.

A reading of Aspartate Aminotransferase (AST) 252 U/L suggests that there might be some degree of cellular disruption or increased cellular turnover in one or more of the organs where AST is abundant.

It serves as a general indicator, not a specific diagnostic tool for any single condition. Think of it like a smoke detector; it tells you there's smoke, but not the exact cause or location of the fire.

The higher the level of Aspartate Aminotransferase (AST), the more pronounced the cellular activity or damage might be. Therefore, Aspartate Aminotransferase (AST) 252 U/L is a data point that healthcare providers use alongside other information to gain a clearer picture of an individual's health status.

It prompts a deeper look into a person's overall health profile, including symptoms, medical history, and other laboratory tests. The context surrounding this Aspartate Aminotransferase (AST) reading is crucial for understanding its full implications.

A serum AST of 252 U/L is most plausibly linked to acute viral hepatitis (such as Hepatitis A, B, or E) or a drug-induced liver injury (DILI). Viral infections often cause a rapid and significant rise in AST as the virus replicates and destroys hepatocytes.

Similarly, certain medications, including some antibiotics, non-steroidal anti-inflammatory drugs (NSAIDs), statins, or even certain herbal supplements, can trigger a hypersensitivity or toxic reaction damaging liver cells. Less commonly, but still possible, this elevation could indicate ischemic hepatitis, often seen in individuals experiencing a severe drop in blood pressure or shock, or acute exacerbation of non-alcoholic fatty liver disease (NAFLD) with significant inflammation.

Your AST 252 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) 252 U/L

While a specific Aspartate Aminotransferase (AST) 252 U/L result requires professional interpretation, embracing healthy lifestyle choices can generally support your body's well-being and organ function. Engaging in regular physical activity is often recommended for overall health.

Movement helps maintain a healthy weight, supports cardiovascular health, and can reduce inflammation throughout the body. The American Heart Association (AHA) and other health organizations often highlight the benefits of consistent, moderate exercise.

However, it’s important to find an activity level that is appropriate for your individual circumstances and to discuss new exercise routines with a healthcare provider, especially if you have an elevated Aspartate Aminotransferase (AST) 252 U/L level, as certain intense exercises can temporarily raise enzyme levels.

Adequate sleep is another cornerstone of good health. During sleep, your body performs essential repair and restorative processes. Aiming for 7-9 hours of quality sleep each night can significantly contribute to your body's recovery and cellular health.

Managing stress effectively also plays a role in overall well-being. Chronic stress can impact various bodily systems, and finding healthy coping mechanisms, such as meditation, yoga, or spending time in nature, can be beneficial.

Reducing exposure to environmental toxins, like avoiding excessive alcohol consumption or exposure to certain chemicals, can also support liver health, which is a key organ where Aspartate Aminotransferase (AST) is found.

These lifestyle considerations, while not directly targeted at changing an Aspartate Aminotransferase (AST) 252 U/L reading, promote a healthier internal environment that can positively influence various bodily functions and potentially impact enzyme levels over time. It's about nurturing your body's natural capacity for healing and balance.

With an AST reading of 252 U/L, immediate medical evaluation is paramount. Schedule an urgent appointment with your primary care physician or an emergency department. Do not delay. The physician will likely order a repeat AST and ALT measurement within 24-48 hours, along with viral hepatitis serologies and a complete blood count.

A detailed medication and supplement review is critical. Consider immediately discontinuing any new or suspicious over-the-counter medications, supplements, or recreational drugs. Avoid alcohol consumption entirely. Depending on the initial findings, referral to a gastroenterologist or hepatologist for further specialized testing, potentially including abdominal imaging or liver biopsy, may be necessary.

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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