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

147 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 106 U/L over the normal ceiling of 41. That reads elevated.

147 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) 147 U/L: Is That High?

Borderline. 147 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 147 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
147 ÷ 38 =3.9AST 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) 147 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 147 U/L is a number that might be considered higher than what is typically seen in many healthy individuals. When discussing Aspartate Aminotransferase (AST) levels, a number like 147 U/L generally falls outside the average range for most laboratories.

This elevated Aspartate Aminotransferase (AST) 147 U/L suggests a need for further attention, as typical ranges are often much lower. What could this specific level signal about your body's current state and overall health picture?

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.

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An Aspartate Aminotransferase (AST) level of 147 U/L represents a significant elevation, signaling cellular damage well beyond the healthy reference range of 5-40 U/L. This moderate rise often points to acute inflammation or injury, most commonly affecting the liver.

Potential culprits at this specific level include early-stage fatty liver disease, alcohol-related liver stress, or the impact of certain medications like statins or even high doses of over-the-counter pain relievers.

While less frequent, intense muscle exertion or injury can also contribute, as AST is present in muscle tissue. To thoroughly investigate this finding, your healthcare provider will typically recommend additional blood tests, such as a full liver function panel including Alanine Aminotransferase (ALT) for comparison, and potentially viral hepatitis screening.

An abdominal ultrasound may also be ordered to visualize the liver’s condition. A crucial detail patients should know is that while this reading demands attention and follow-up, an AST of 147 U/L is often reversible; it usually indicates a treatable issue rather than severe, irreversible organ failure.

Prompt identification and management of the underlying cause can frequently lead to a return to normal AST levels, sometimes relatively quickly, offering a hopeful outlook for resolution.

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 147 against a general adult target. What 147 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.
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.

Hidden Risk of Aspartate Aminotransferase (AST) 147 U/L

An elevated Aspartate Aminotransferase (AST) 147 U/L can sometimes point to underlying health considerations that might not show clear symptoms right away. This enzyme, Aspartate Aminotransferase (AST), is found in various body tissues, and when cells are damaged, it can be released into your bloodstream, leading to higher readings.

For instance, common hidden risks might involve your liver. Conditions such as a fatty liver, where excess fat accumulates in liver cells, or certain types of liver inflammation, sometimes called hepatitis, can contribute to an elevated Aspartate Aminotransferase (AST) level.

Another possibility could relate to muscle health, perhaps from intense physical activity, muscle injury, or even certain muscle conditions that affect cell integrity. Understanding these potential, often 'silent' risks associated with an elevated Aspartate Aminotransferase (AST) 147 U/L is a vital step toward safeguarding your long-term wellness.

It’s important to remember that this specific Aspartate Aminotransferase (AST) 147 U/L reading alone doesn't provide a diagnosis; instead, it acts as a valuable signal, encouraging a closer look at your body's inner workings.

Your healthcare provider can help interpret the full context of this Aspartate Aminotransferase (AST) 147 U/L result alongside other markers and your personal health story. Taking this proactive stance allows for early detection of potential issues before they might become more challenging to manage, transforming a seemingly small number into a powerful tool for your health advocacy.

An elevated Aspartate Aminotransferase (AST) 147 U/L truly serves as a prompt for a more comprehensive health review.

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 around 147 U/L, significantly exceeding the normal range of 5-40 U/L, indicates active hepatocellular damage. This magnitude of elevation is concerning and suggests inflammation or injury within liver cells, potentially leading to impaired liver function over time if unaddressed.

While not typically indicative of acute liver failure on its own, sustained levels in this range can contribute to the progression of chronic liver diseases such as fibrosis or cirrhosis.

The increased enzyme leakage signifies that the liver's protective mechanisms are being overwhelmed, raising the possibility of more severe histological changes and a diminished capacity for detoxification and metabolic processes if the underlying cause persists.

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.

What might an Aspartate Aminotransferase (AST) 147 U/L level potentially indicate?

  • **Liver considerations:** Such as non-alcoholic fatty liver or mild inflammation.
  • **Muscle health:** Recent strenuous exercise, minor injury, or muscle strain.

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 147 U/L Mean?

Aspartate Aminotransferase (AST) is an enzyme, which is essentially a type of protein that helps speed up chemical reactions within your cells. This particular enzyme is quite versatile and is found in many different tissues throughout your body.

While it's particularly abundant in liver cells, it also plays important roles in your heart, skeletal muscles, kidneys, and brain. Think of Aspartate Aminotransferase (AST) as an important worker inside these cells.

When these cells are healthy and functioning normally, the Aspartate Aminotransferase (AST) enzyme stays primarily within them. However, if cells become damaged or inflamed for any reason, their outer walls can become permeable, allowing these internal enzymes to leak out into your bloodstream.

When a healthcare provider measures the Aspartate Aminotransferase (AST) in your blood and finds a level like 147 U/L, it suggests that there might have been some cellular disruption or damage in one or more of these tissues.

This elevated Aspartate Aminotransferase (AST) 147 U/L isn't unique to one specific condition, making it an important piece of a larger health puzzle. For example, if your liver cells are experiencing stress or injury, they might release Aspartate Aminotransferase (AST) into your blood.

Similarly, if you've recently had a very intense workout, some temporary muscle cell damage can also lead to an increase in circulating Aspartate Aminotransferase (AST). The exact meaning of Aspartate Aminotransferase (AST) 147 U/L, therefore, depends heavily on a comprehensive review of your overall health, including any symptoms you might be experiencing, your lifestyle, and other blood markers.

Understanding what Aspartate Aminotransferase (AST) is and where it comes from empowers you to have a more informed conversation with your healthcare team about your specific Aspartate Aminotransferase (AST) 147 U/L result and what steps might be most appropriate for you to take next.

It encourages you to view this number not as an isolated problem, but as an opportunity for deeper health insight.

An AST reading of approximately 147 U/L, being substantially higher than the typical reference range, points towards several plausible explanations. Non-alcoholic fatty liver disease (NAFLD), particularly its inflammatory component (NASH), is a very common cause for moderate AST elevations in this range, often linked to metabolic syndrome, obesity, and insulin resistance.

Another strong possibility is viral hepatitis, such as acute or chronic Hepatitis B or C, which directly assaults liver cells. Certain medications, including some statins, antibiotics, or even high doses of acetaminophen, can also precipitate this level of liver enzyme rise through direct toxicity or idiosyncratic reactions.

Your AST 147 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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The part one number cannot show
Your AST of 147 means different things depending on its companion markers.
Your full panel shows which story is yours.
See what is driving yours →

Lifestyle Changes for Aspartate Aminotransferase (AST) 147 U/L

Making thoughtful lifestyle adjustments can play a significant role in supporting your overall well-being and, in some cases, may influence levels of enzymes like Aspartate Aminotransferase (AST) 147 U/L. Beyond what you eat, everyday habits contribute enormously to your body's resilience and healing capacity.

Regular physical activity, for instance, is a cornerstone of good health, but it's important to approach it mindfully. While moderate exercise is beneficial, very intense or prolonged strenuous activity can sometimes temporarily elevate Aspartate Aminotransferase (AST) levels due to normal muscle breakdown and repair processes.

If you're physically active, discussing your routine with your healthcare provider can help put your Aspartate Aminotransferase (AST) 147 U/L in context. Stress management is another crucial area. Chronic stress can impact various bodily systems, and finding healthy ways to cope, such as through meditation, yoga, spending time in nature, or engaging in hobbies, can foster a more balanced internal environment.

Prioritizing adequate, restorative sleep each night is equally vital. Your body performs many repair and recovery processes during sleep, which can contribute to healthier cellular function. Sleep deprivation, on the other hand, can create systemic stress.

Furthermore, minimizing exposure to environmental toxins and avoiding harmful substances like excessive alcohol consumption and tobacco use are paramount. Alcohol, in particular, is metabolized by the liver, and overconsumption can stress liver cells, potentially affecting Aspartate Aminotransferase (AST) levels.

The American Liver Foundation frequently emphasizes the importance of these broad lifestyle choices for maintaining liver health and general vitality. Adopting these healthier practices can contribute to supporting the systems that produce and process enzymes like Aspartate Aminotransferase (AST), helping your body to maintain a more balanced state.

By focusing on these non-dietary aspects of your daily life, you actively participate in your health journey, potentially helping your body optimize its internal markers and fostering a sense of control over your well-being, even when facing a number like Aspartate Aminotransferase (AST) 147 U/L.

With an AST value of 147 U/L, immediate follow-up is critical. Schedule an appointment with your physician within the week to discuss potential causes and the need for further investigation.

They will likely order repeat liver function tests, including ALT, alkaline phosphatase, and bilirubin, to assess the pattern of injury. Consider a review of all current medications, supplements, and recent dietary changes, especially increased intake of processed foods or alcohol.

Lifestyle modifications such as reducing alcohol consumption to zero and initiating a weight loss program if overweight are highly recommended. Depending on initial findings, a referral to a gastroenterologist or hepatologist may be necessary for specialized management.

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