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

137 is elevated for AST, far enough out to be worth acting on.

this is the average reading · make it yours below

reading as

This is outside the range. Worth acting on, and worth seeing next to your other numbers first: the same value means different things depending on what is around it.

You are 96 U/L over the normal ceiling of 41. That reads elevated.

137 is elevated. 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) 137 U/L: Is That High?

Borderline. 137 U/L is 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 137 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
137 ÷ 38 =3.6AST 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) 137 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 137 U/L might be considered an elevated or high level. Normal ranges for AST typically fall much lower, often between 0 to 40 U/L, though these ranges can vary slightly depending on the specific laboratory.

When a value like Aspartate Aminotransferase (AST) 137 U/L appears, it generally suggests that something is prompting this increase. This measurement is one piece of a larger health picture, and understanding what it could mean for your well-being can be a crucial next step.

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 measuring 137 U/L signifies a substantial elevation, roughly 242% above the normal upper limit, clearly indicating active cellular injury, most commonly affecting the liver or skeletal muscles.

At this specific elevation, common culprits often include chronic conditions such as non-alcoholic steatohepatitis (NASH), where fatty liver disease has progressed to inflammation and damage, or alcoholic liver disease, particularly in its earlier stages or with ongoing moderate consumption.

Medication-induced liver injury, even from common over-the-counter drugs or supplements, can also present with an AST in this range. To pinpoint the exact cause, clinicians will typically order additional tests, including an Alanine Aminotransferase (ALT) level to assess the AST/ALT ratio for liver specificity, Gamma-Glutamyl Transferase (GGT) to further evaluate for alcohol or biliary involvement, and often an abdominal ultrasound to visualize the liver for fat, scarring, or other abnormalities.

A thorough review of all medications and supplements is paramount. For patients, it’s vital to understand that an AST of 137 U/L, while concerning and necessitating investigation, often occurs without noticeable symptoms, making proactive follow-up crucial to identify the underlying issue before more significant, irreversible liver damage or other complications develop.

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 137 against a general adult target. What 137 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) 137 U/L

An elevated Aspartate Aminotransferase (AST) 137 U/L result sometimes points to underlying factors that might not be immediately obvious. While AST is found in various parts of the body, including the heart, kidneys, and brain, its presence in higher amounts in the bloodstream often hints at a change in liver or muscle cells.

This doesn't automatically mean there's a serious problem, but it does signal a need for further investigation to uncover the root cause. Sometimes, seemingly minor lifestyle choices or conditions could be contributing to such an elevation, acting as hidden risks that merit attention.

Engaging with your healthcare provider can help explore what these potential influences might be and guide you towards understanding your unique health landscape. They can help interpret this Aspartate Aminotransferase (AST) 137 U/L result within the context of your overall health.

It is important to remember that this single number is not a diagnosis but an indicator. It encourages a deeper look into one's health profile, potentially revealing areas where proactive health management could be beneficial.

A health professional might consider other markers and your personal health history to determine the best course of action. This result might be a gentle nudge to prioritize certain aspects of your well-being.

For example, some common situations that could lead to an Aspartate Aminotransferase (AST) 137 U/L include:

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 (AST) level of 137 U/L, significantly exceeding the normal range, indicates active liver cell injury. While not immediately critical, this elevated state suggests ongoing inflammation or damage that, if unaddressed, can progress to more severe liver conditions.

Chronic elevation of AST can impair the liver's ability to detoxify the blood, synthesize essential proteins like albumin and clotting factors, and process nutrients. This can, over time, lead to complications such as hepatic encephalopathy, a condition where toxin buildup affects brain function, or ascites, the accumulation of fluid in the abdomen, due to decreased protein synthesis and altered fluid balance within the body.

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.
  • Temporary muscle strain from intense exercise
  • Certain non-alcoholic liver conditions
  • Reactions to specific medications

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 137 U/L Mean?

When we talk about Aspartate Aminotransferase (AST), we are referring to an enzyme. Enzymes are proteins that help speed up chemical reactions within our bodies. Think of them as tiny helpers that make essential processes happen smoothly.

AST plays a role in metabolism, which is how our bodies turn food into energy. This enzyme is normally found inside various cells, particularly in the liver and muscles. It's like a worker who usually stays inside their factory.

When these cells are damaged, for whatever reason, they can release their contents, including AST, into the bloodstream. So, discovering an Aspartate Aminotransferase (AST) 137 U/L level means that more of this enzyme than usual has found its way into your blood.

This increase can act as a signal that some cells, possibly in your liver or muscles, have experienced stress or injury. It's important to understand that an Aspartate Aminotransferase (AST) 137 U/L result is an indicator, not a specific diagnosis.

It doesn't tell you *exactly* what caused the cell damage, only that it might be occurring. This is why healthcare providers often look at other measurements, like Alanine Aminotransferase (ALT), and consider your overall health history, symptoms, and other factors to get a clearer picture.

For example, if both AST and ALT are elevated, it might point more directly towards liver health. However, if only AST is significantly elevated, and ALT is closer to normal, it might suggest a muscular origin for the increase.

The context surrounding an Aspartate Aminotransferase (AST) 137 U/L result is key to understanding its implications for your personal health journey. It invites a conversation with your doctor to explore the possibilities and understand the next steps.

A moderately elevated AST level around 137 U/L often points to a few key culprits rather than widespread systemic disease. Non-alcoholic fatty liver disease (NAFLD), driven by factors like excess dietary fructose and sedentary lifestyle, is a very common cause, leading to fat accumulation and inflammation in liver cells.

Certain medications, including some statins, acetaminophen (in higher doses), or antibiotics, can also induce liver stress and result in this level of AST elevation. Less commonly, viral hepatitis, even in its early or resolving stages, or excessive alcohol consumption within the preceding weeks could manifest with this specific finding.

Your AST 137 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) 137 U/L

Beyond what we eat, many other lifestyle choices play a significant role in our overall health and, by extension, can sometimes influence various body markers, including Aspartate Aminotransferase (AST). Embracing a balanced and active lifestyle supports the healthy functioning of our organs and systems.

Regular physical activity, for instance, can strengthen muscles and improve circulation. However, very intense or new forms of exercise can temporarily elevate AST levels due to muscle breakdown, a normal physiological response.

It's a reminder that even positive changes should be approached mindfully. Managing stress is another powerful lifestyle factor. Chronic stress can impact the body in numerous ways, sometimes contributing to systemic inflammation or affecting organ health.

Finding healthy ways to cope with stress, such as through mindfulness, hobbies, or spending time in nature, can be beneficial for your well-being. Adequate sleep is equally vital. During sleep, our bodies repair and rejuvenate, processes crucial for cellular health.

A consistent lack of sleep can place undue stress on the body. Ensuring you get enough quality sleep each night is a foundational pillar of good health. Avoiding or moderating alcohol consumption is also frequently discussed when considering liver health.

The liver is primarily responsible for processing alcohol, and excessive intake can certainly impact liver function and enzyme levels. The American Association for the Study of Liver Diseases often highlights the importance of responsible alcohol use for maintaining liver health.

These lifestyle adjustments are not quick fixes for an Aspartate Aminotransferase (AST) 137 U/L result, but they contribute to a foundation of health that can help the body maintain its balance and function optimally over time.

Discussing your current lifestyle with a healthcare provider can help identify areas where positive adjustments might be made to support your health journey.

With an AST reading of 137 U/L, the immediate next step is a targeted retest within two to four weeks to confirm the elevation and assess its trend. Simultaneously, a thorough review of all prescribed and over-the-counter medications, including supplements, is paramount, discussing potential hepatotoxic agents with a healthcare provider.

A significant reduction in alcohol intake, if applicable, and a shift towards a balanced diet emphasizing whole foods while minimizing processed items and added sugars, offers the highest yield for lifestyle intervention.

Tracking any new or worsening symptoms like fatigue, jaundice, or abdominal discomfort should also be a priority.

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

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  • 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.
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