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

396 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 355 U/L over the normal ceiling of 41. That reads very high.

396 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) 396 U/L: Is That High?

Yes. 396 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 396 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
396 ÷ 38 =10.4AST 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) 396 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 396 U/L is generally considered to be a high level. In most common reference ranges, an AST value of 396 U/L might be considered significantly elevated. This number suggests that there could be more of this specific enzyme circulating in the blood than typically expected for a healthy individual.

While a high number can spark questions, understanding what this enzyme does and why its levels might change can be a helpful first step in exploring your health further. This single number is a clue, not the whole story, offering a point to begin a broader conversation about 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 →

An Aspartate Aminotransferase (AST) level of 396 U/L is critically elevated, signaling significant acute cellular damage, most commonly affecting the liver or skeletal muscles. This value is approximately 890% above the upper limit of the normal range, placing it firmly in the 'very high' or danger category.

Such a dramatic increase typically indicates an urgent situation, like severe acute viral hepatitis, drug-induced liver injury (such as from acetaminophen overdose), or profound ischemic liver injury where blood flow to the liver is severely restricted.

Less commonly, but equally serious, extensive rhabdomyolysis, involving severe breakdown of muscle tissue, could also lead to this extremely high AST. Patients experiencing such a reading may or may not be feeling overt symptoms, which can be a misleading factor, as significant internal damage can occur before pain or jaundice appears.

Immediate medical evaluation is crucial; this isn't a level that can be monitored over time without intervention. Additional tests like an Alanine Aminotransferase (ALT) level, bilirubin, alkaline phosphatase, viral hepatitis panels, and potentially a creatine kinase (CK) level are typically ordered without delay to pinpoint the source and severity of the damage, guiding prompt treatment to mitigate further harm.

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 396 against a general adult target. What 396 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) 396 U/L

When your Aspartate Aminotransferase (AST) 396 U/L result comes back, it's natural to wonder what underlying factors might be at play. An elevated AST level suggests that cells containing this enzyme may have been damaged, causing the enzyme to be released into the bloodstream.

The liver is a major source of AST, so many discussions around high AST often focus on liver health, but other organs, like muscles and the heart, also contain AST.

Understanding these potential influences can help you grasp the bigger picture of your health. It is not about immediate alarm but about thoughtful consideration of various body systems and their functions.

Think of your body as a complex and interconnected network, where a change in one area might send signals that appear in test results. This elevated Aspartate Aminotransferase (AST) 396 U/L reading is a signal that encourages further exploration 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 aspartate aminotransferase level of 396 U/L, significantly elevated above the normal range of 5-40 U/L, points towards substantial hepatocellular injury. This high enzyme level suggests that liver cells are actively being damaged, potentially leading to acute liver inflammation (hepatitis) or, in more severe cases, contributing to the progression of fibrosis and cirrhosis if the underlying cause is not addressed.

Beyond direct liver damage, such marked elevation can indicate a systemic issue, potentially impacting the liver's crucial roles in detoxification, metabolism, and protein synthesis, which can manifest as jaundice, coagulopathy, or hepatic encephalopathy.

The extensive cellular distress indicated by this value necessitates urgent investigation to prevent irreversible organ damage.

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 396 U/L Mean?

Aspartate Aminotransferase (AST) 396 U/L is a specific measurement of an enzyme found inside various cells throughout your body. Enzymes are like tiny helpers that speed up chemical reactions necessary for life.

AST plays a role in how your body processes certain building blocks of protein. When cells are healthy and intact, AST stays mostly inside them. However, if cells are damaged or injured, they can release their contents, including AST, into the bloodstream.

This is why a high Aspartate Aminotransferase (AST) 396 U/L reading can be a signal that something has caused cell damage somewhere in the body. While the liver is a primary focus when AST levels are high, the enzyme is also found in significant amounts in muscle tissue, including the heart, and to a lesser extent in the kidneys, brain, and red blood cells.

Therefore, an elevated AST doesn't automatically point to one specific issue but rather suggests that cellular integrity may have been compromised in one of these areas. This single Aspartate Aminotransferase (AST) 396 U/L value is a piece of information that healthcare providers use alongside other blood tests, your health history, and a physical examination to form a complete understanding.

It prompts further investigation to pinpoint the source and nature of the cellular changes. Understanding what Aspartate Aminotransferase (AST) 396 U/L means helps you engage more fully in discussions about your health.

An AST level around 396 U/L, well beyond typical fluctuations, most commonly suggests acute viral hepatitis (such as Hepatitis A, B, or C) or significant drug-induced liver injury. Certain medications, including common analgesics like acetaminophen taken in excess, antibiotics, or statins, can trigger this degree of enzyme elevation.

Less commonly, but still plausible at this level, is acute alcoholic hepatitis, particularly with a history of heavy alcohol consumption, or a non-alcoholic fatty liver disease (NAFLD) flare. Ischemic hepatitis due to severe systemic illness or hypoperfusion is also a consideration, where reduced blood flow to the liver causes cell damage.

Your AST 396 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.
Upload your blood test, get your real plan back to normal →
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) 396 U/L

Making conscious choices about your daily habits can have a profound impact on your overall health and well-being, which in turn might influence various body markers, including your Aspartate Aminotransferase (AST) 396 U/L level.

While a high AST reading needs professional review, adopting a healthy lifestyle supports your body's natural functions. Regular physical activity, for instance, is not just about muscle strength or weight management; it's about promoting good circulation, reducing inflammation, and supporting the health of various organs, including those that contain AST.

Aiming for at least 150 minutes of moderate-intensity activity each week, as recommended by organizations like the American Heart Association, can contribute significantly. Moreover, managing stress effectively plays a crucial role.

Chronic stress can affect your body in numerous ways, impacting hormonal balance and contributing to inflammation, which could indirectly affect cellular health. Techniques like mindfulness, meditation, deep breathing exercises, or simply engaging in hobbies you enjoy can help reduce stress levels.

Getting adequate, restorative sleep is another pillar of health. When you sleep, your body repairs itself, consolidates memories, and balances hormones. Consistently poor sleep can put additional strain on your systems.

Furthermore, avoiding excessive alcohol consumption is essential, as alcohol is metabolized by the liver, and heavy drinking is a known factor that can significantly elevate Aspartate Aminotransferase (AST) levels. Similarly, refraining from smoking benefits almost every organ system in your body.

Embracing these healthy habits creates a supportive environment for your body's cells, which can contribute to more balanced internal markers over time. It's about empowering your body's natural resilience.

With an AST reading of 396 U/L, immediate medical evaluation is paramount. Schedule an urgent appointment with your primary care physician or a hepatologist without delay. They will likely order a repeat AST and ALT, along with viral hepatitis serologies, liver function tests (bilirubin, albumin, PT/INR), and possibly an abdominal ultrasound to assess liver structure.

You should discontinue all non-essential medications and supplements, especially those known to affect the liver, and strictly avoid alcohol consumption. Maintaining a balanced, low-fat diet is advisable while awaiting diagnosis and treatment recommendations from your specialist.

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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