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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
338 U/L very high
0 from your result
elevatedvery high
1normal 5 to 41500
what this means

338 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 297 U/L over the normal ceiling of 41. That reads very high.

338 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) 338 U/L: Is That High?

Yes. 338 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 338 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
338 ÷ 38 =8.9AST 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) 338 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 338 U/L might be considered higher than typical ranges often seen in health assessments. An elevated Aspartate Aminotransferase (AST) 338 U/L level generally suggests that there might be some activity or mild irritation in cells where this enzyme is present.

Understanding what this number may suggest is the first step toward greater clarity and knowing what questions to ask your healthcare provider. This information is meant to provide a general educational overview, sparking your curiosity about your body's signals.

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 338 U/L is a critically elevated finding, signaling significant cellular damage that demands immediate medical evaluation. This value, more than seven times the upper limit of the normal range, most frequently points to acute injury within the liver or, less commonly but still significantly, severe skeletal muscle damage.

Within the liver, such a dramatic rise in AST could be a hallmark of acute viral hepatitis, drug-induced liver toxicity from certain medications or toxins, or acute alcoholic hepatitis. If muscle injury is the primary issue, conditions like rhabdomyolysis from severe trauma, strenuous exertion, or certain medication reactions could be responsible, though AST is usually accompanied by very high creatine kinase (CK) levels in these scenarios.

Immediate clinical assessment will likely involve additional blood tests, including a full liver function panel to assess ALT, bilirubin, and alkaline phosphatase, a viral hepatitis panel, and potentially an abdominal ultrasound.

Patients should understand that while an AST of 338 U/L is concerning, identifying and treating the underlying cause swiftly can often lead to substantial recovery, emphasizing the urgency of a thorough diagnostic workup rather than just monitoring the number.

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 338 against a general adult target. What 338 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) 338 U/L

An Aspartate Aminotransferase (AST) 338 U/L reading, while not a diagnosis itself, can prompt further investigation into various aspects of your body's functioning. Elevated AST levels are often associated with conditions that affect organs where this enzyme is abundant, such as the liver and muscles.

It's an indicator that cells might be experiencing some form of stress or damage, releasing their contents into the bloodstream. This specific Aspartate Aminotransferase (AST) 338 U/L value is a piece of a larger puzzle, inviting a look into potential underlying situations that could be impacting your well-being.

Learning about potential risks helps you engage more effectively in conversations about your health. Elevated Aspartate Aminotransferase (AST) 338 U/L encourages a closer look at areas that support your overall vitality.

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 →

A very high aspartate aminotransferase (AST) level significantly above the normal range, such as this reading, indicates substantial ongoing hepatocellular injury. This level can portend acute liver failure, characterized by the rapid loss of liver function, potentially leading to hepatic encephalopathy, coagulopathy (impaired blood clotting), and ascites (fluid accumulation in the abdomen).

The magnitude of elevation suggests an acute insult that, if not addressed promptly, can overwhelm the liver's regenerative capacity, increasing the risk of irreversible damage or the need for urgent medical intervention to manage life-threatening complications.

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.

Here are some general areas of health that an elevated Aspartate Aminotransferase (AST) 338 U/L could potentially relate to:

  • **Liver health concerns**: Such as temporary inflammation or fatigue.
  • **Muscle tissue changes**: Including intense physical activity or minor injury.

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 338 U/L Mean?

Aspartate Aminotransferase, often shortened to AST, is an enzyme. Think of enzymes as tiny workers within your cells, helping chemical reactions happen. AST is found in many different parts of your body, including your liver, heart, muscles, kidneys, and brain.

When cells in these areas are working normally, only a small amount of AST is typically found in the bloodstream. However, if cells become stressed, damaged, or inflamed, they can release their contents, including AST, into the blood.

That's when a level like Aspartate Aminotransferase (AST) 338 U/L might be observed. It doesn't pinpoint the exact cause or location of cell activity, but it acts as a signal, a clue that something might be prompting cells to release more of this enzyme than usual.

Understanding Aspartate Aminotransferase (AST) 338 U/L means recognizing it as an important indicator that merits thoughtful consideration. This specific Aspartate Aminotransferase (AST) 338 U/L level suggests a need to explore what might be contributing to its elevation, rather than jumping to conclusions.

It encourages a proactive approach to understanding your body's unique signals and engaging in an informed discussion with your healthcare provider about what an Aspartate Aminotransferase (AST) 338 U/L measurement could mean for your individual health picture.

The presence of Aspartate Aminotransferase (AST) 338 U/L in the context of an overall health assessment provides valuable information about your internal cellular environment.

An AST reading around this elevated figure is most plausibly linked to acute viral hepatitis (like Hepatitis A, B, or E), or significant drug-induced liver injury (DILI) from medications such as acetaminophen overdose or certain antibiotics and statins.

Ischemic hepatitis, often due to profound hypotension or shock, can also cause such a sharp rise. Less common but possible are acute flares of autoimmune hepatitis or Wilson's disease, especially in younger individuals, or a sudden toxic insult from certain herbal supplements or toxins, each capable of precipitating a rapid increase in AST.

Your AST 338 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) 338 U/L

While a specific Aspartate Aminotransferase (AST) 338 U/L result needs personalized medical interpretation, exploring general healthy lifestyle practices can broadly support your well-being. These practices focus on reducing overall body stress and promoting cellular health, which in turn can contribute to maintaining healthy enzyme levels.

Regular physical activity, for instance, in moderation, can boost circulation and improve cellular function, while too much intense exercise without adequate recovery might temporarily elevate enzymes. Managing stress through techniques like mindfulness, meditation, or spending time in nature can also have a profound impact on your body's internal balance.

Getting enough restorative sleep is another cornerstone of health, allowing your body to repair and regenerate cells effectively. It’s also crucial to ensure proper hydration by drinking enough water throughout the day, as water plays a vital role in countless bodily processes, including nutrient transport and waste removal.

Limiting exposure to environmental toxins and avoiding harmful substances like excessive alcohol or smoking are also significant steps. These holistic lifestyle adjustments do not directly 'treat' an Aspartate Aminotransferase (AST) 338 U/L reading but rather support your body’s natural ability to maintain balance and optimal functioning.

Adopting these habits is an empowering way to take an active role in your health journey, fostering an environment where your body can thrive. Considering an Aspartate Aminotransferase (AST) 338 U/L level as a prompt, these changes can be part of a broader strategy for sustained wellness.

Even if your Aspartate Aminotransferase (AST) 338 U/L is not directly influenced by a particular lifestyle choice, these steps create a foundation for better health.

Immediate medical re-evaluation is paramount. Schedule an urgent appointment with your physician to discuss this lab result; do not delay. Further laboratory testing, including viral hepatitis serologies, acetaminophen levels (if relevant), and autoimmune markers, should be initiated promptly.

Imaging such as an abdominal ultrasound may be ordered to assess liver structure and rule out bile duct obstruction. Abstain from alcohol and any potentially hepatotoxic over-the-counter medications or supplements until advised otherwise. Depending on the cause identified, referral to a hepatologist 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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