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

377 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 336 U/L over the normal ceiling of 41. That reads very high.

377 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) 377 U/L: Is That High?

Yes. 377 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 377 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
377 ÷ 38 =9.9AST 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) 377 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 377 U/L might be considered higher than typical reference ranges. This level is generally not seen as low or within a usual normal range for many individuals.

Understanding what this specific marker indicates can be a significant step toward gaining insight into your body's current state. What broader messages might a level of Aspartate Aminotransferase (AST) 377 U/L be conveying about your overall health and vitality?

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 377 U/L unequivocally signals significant cellular damage, demanding urgent medical attention. This markedly elevated value, nearly nine times the upper limit, strongly suggests acute liver injury or, less commonly, severe muscle tissue damage.

Typical liver-related causes include acute viral hepatitis, drug-induced liver injury (from medications or alcohol), or a sudden flare-up of chronic liver disease. When muscle damage is the culprit, conditions like rhabdomyolysis or severe trauma are often at play.

To pinpoint the origin, doctors typically order a comprehensive liver function panel, including ALT and bilirubin, to assess liver dysfunction and differentiate from muscle sources. Imaging like an abdominal ultrasound is often pursued, alongside specific tests such as viral hepatitis panels or toxicology screens, tailored to the clinical context.

While a high AST can be alarming, patients should know this marker indicates injury, not necessarily irreversible damage. Many underlying conditions are treatable with prompt diagnosis and intervention, allowing for significant recovery of liver function; however, recovery time varies widely.

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 377 against a general adult target. What 377 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) 377 U/L

A value such as Aspartate Aminotransferase (AST) 377 U/L, when higher than usual, can sometimes point to situations within the body that deserve attention. This enzyme, Aspartate Aminotransferase, is often found inside cells, particularly in the liver, heart, skeletal muscles, and kidneys.

When these cells experience some form of disruption or damage, the enzyme can be released into the bloodstream, leading to an elevated reading. It's like a signal from your body, indicating that certain cells might be under stress or experiencing changes.

This elevation, while not a diagnosis on its own, prompts a closer look at the health of these organ systems. For example, if liver cells are stressed, more AST could be released.

Similarly, intense physical activity causing temporary muscle strain can also lead to a transient increase in this enzyme, as muscle cells also contain Aspartate Aminotransferase. Therefore, an Aspartate Aminotransferase (AST) 377 U/L level suggests that an investigation into the source of this elevation would be a helpful next step in understanding your overall wellness profile.

This reading encourages a thoughtful exploration of your current health status and potential influences. Understanding the potential sources of an elevated Aspartate Aminotransferase (AST) 377 U/L is the first step toward a clearer picture of your internal well-being.

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 serum Aspartate Aminotransferase (AST) level of 377 U/L signifies significant hepatocellular injury, a very high value far exceeding the normal range. This extreme elevation suggests active damage to liver cells, increasing the immediate risk of acute liver dysfunction.

Complications can include impaired detoxification of waste products, leading to hepatic encephalopathy characterized by confusion and altered mental status, or compromised synthesis of clotting factors, raising the potential for serious bleeding episodes.

Furthermore, sustained or severe injury at this magnitude can precipitate a fibrotic response, potentially accelerating the progression towards cirrhosis if the underlying cause remains unaddressed and the liver continues to sustain such intense insult.

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.
  • Could relate to general cellular stress in various organs.
  • Might suggest a need for further exploration by a healthcare professional.

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 377 U/L Mean?

Aspartate Aminotransferase (AST) is an enzyme, a type of protein that helps speed up essential chemical reactions in the body. It plays a crucial role in metabolism, which is how your body breaks down food and creates energy.

While AST is present in many tissues throughout the body, it is notably abundant in the liver cells. Therefore, an elevated Aspartate Aminotransferase (AST) 377 U/L often prompts a closer look at liver health.

When liver cells are affected by various factors, they can release AST into the bloodstream, leading to an increased reading. However, because AST is also found in other organs like the heart, skeletal muscles, and even red blood cells, an elevated level like Aspartate Aminotransferase (AST) 377 U/L could also relate to issues in those areas.

For instance, temporary muscle strain from vigorous exercise or certain other conditions affecting muscle tissue can cause a temporary rise in AST. It is important to remember that this single number provides a piece of information, not a complete picture or a diagnosis.

Understanding its meaning involves considering it alongside other health factors, your medical history, and discussions with a healthcare professional. This enzyme's presence in various parts of the body means that its elevation, such as Aspartate Aminotransferase (AST) 377 U/L, is a signal that warrants investigation into which specific tissues might be experiencing increased activity or minor changes.

This particular reading of Aspartate Aminotransferase (AST) 377 U/L does not by itself pinpoint a cause, but it certainly guides the exploration. It encourages a deeper inquiry into the body's internal workings, allowing you to partner with your healthcare team to understand the full significance of this marker in your unique health journey.

This specific Aspartate Aminotransferase (AST) 377 U/L reading serves as a prompt to gather more information and context.

An AST result of 377 U/L is most plausibly linked to acute viral hepatitis (like Hepatitis A, B, or E) or a significant drug-induced liver injury (DILI). Certain medications, including acetaminophen taken in overdose, some antibiotics, NSAIDs, or even certain herbal supplements, can trigger this level of hepatocellular damage.

Lifestyle factors such as a single high-risk exposure to alcohol leading to acute alcoholic hepatitis, or a sudden, severe bout of non-alcoholic steatohepatitis (NASH) in an individual with underlying metabolic syndrome, are also strong contenders.

Less commonly, acute ischemic hepatitis or muscle injury could contribute, but liver damage is the primary concern at this range.

Your AST 377 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) 377 U/L

Embracing certain lifestyle adjustments can often support overall health and potentially influence various bodily markers, including enzyme levels like Aspartate Aminotransferase. Regular physical activity, for example, is widely recognized by organizations like the American Heart Association for its profound benefits in maintaining cardiovascular health, which refers to the health of your heart and blood vessels, and supporting metabolic function, or how your body processes energy.

Aiming for consistent, moderate exercise, tailored to your individual capacity, can help manage body weight, improve circulation, and contribute to a healthier internal environment that supports cellular well-being. This can indirectly play a role in how your body maintains its enzyme balance.

Adequate rest is another cornerstone of well-being; the National Sleep Foundation emphasizes the importance of 7-9 hours of quality sleep for adults, as sleep plays a vital role in cellular repair, regeneration, and hormone regulation.

Chronic sleep deprivation can place stress on the body, potentially impacting various physiological processes. Managing stress effectively through practices like mindfulness, meditation, engaging in hobbies, or spending time in nature can also have a profound impact on physiological processes, helping to keep the body's systems in balance.

Chronic stress can lead to inflammation and impact organ function, both of which could theoretically influence enzyme levels. Avoiding substances known to place strain on the body, such as excessive alcohol consumption, is a key consideration for supporting liver health, as the liver is a primary site where Aspartate Aminotransferase is found.

These general healthy habits contribute to the body's resilience and its ability to maintain equilibrium, which in turn can influence various health indicators. Focusing on these foundational aspects of self-care offers an empowering path to promoting overall wellness, which can reflect in how your body functions and presents different markers.

An Aspartate Aminotransferase (AST) 377 U/L reading encourages a review of these lifestyle elements and their potential contribution to your overall health picture. It highlights an opportunity to reflect on choices that support cellular health and vitality.

With an AST at 377 U/L, immediate medical evaluation is paramount. Schedule an urgent appointment with your primary care physician or an emergency department without delay. They will likely order a comprehensive panel of liver function tests, including ALT, bilirubin, alkaline phosphatase, and albumin, along with viral hepatitis serologies and a toxicology screen if indicated.

A review of all current and recent medications, supplements, and alcohol intake is crucial. Based on initial findings, referral to a gastroenterologist or hepatologist specializing in liver diseases will be necessary for definitive diagnosis and management, potentially involving further imaging like an abdominal ultrasound.

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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