Everything else

Make it yours.

Tell it who you are and what else was on your test. Every line below, including the article, rewrites itself as you go.

HDL42
Triglycerides180
ApoB110
Every marker at once a PDF or a photo of the printout, read in seconds

add any marker from your test

Alanine Aminotransferase (ALT)mg/dL
Gamma-Glutamyl Transferase (GGT)mg/dL
Alkaline Phosphatase (ALP)mg/dL
67 U/L mildly elevated
0 from your result
mildly elevatedelevatedvery high
1normal 5 to 41500
what this means

67 is mildly elevated, just outside the range for AST.

this is the average reading · make it yours below

reading as

This one sits close to the edge. Not a problem today, but it is the band where small changes decide which way it goes, and where the rest of your panel starts to matter more than this number alone.

You are 26 U/L over the normal ceiling of 41. That reads mildly elevated.

67 is mildly 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.

recheck in 12 weeks

Your BloodMarker report · Aspartate Aminotransferase (AST)

Aspartate Aminotransferase (AST) 67 U/L: Is That High?

Not really. 67 U/L is just 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

Have your results in hand?

Upload or photograph your blood test and see every marker explained in seconds. Free.

Upload my blood test

YOUR NUMBERS

Normal: <40
Raised: 40-79
High: 80+

Values in U/L. Your Aspartate Aminotransferase (AST) of 67 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/LRAISED
U/LexampleNORMAL
U/LexampleRAISED
67 ÷ 38 =1.8AST 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.
Read my whole panel →

Every marker on your test, read against your age and sex. Free.

Is Aspartate Aminotransferase (AST) 67 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 67 U/L might be considered higher than what is typically seen in many healthy individuals. When discussing such results, healthcare providers often compare them to established reference ranges.

While these ranges can vary slightly between laboratories, a value of 67 U/L is generally above the usual upper limit. This elevation suggests that your body might be signaling something worth exploring further and understanding more deeply.

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) result of 67 U/L signals a mild but significant elevation, placing it 68% above the upper normal limit of 40 U/L. While not typically indicative of acute, severe damage, this level warrants attention as it suggests a degree of cellular stress or injury, often originating from the liver or skeletal muscles.

Such an elevation frequently prompts investigation into potential stressors like early-stage non-alcoholic fatty liver disease (NAFLD), the impact of certain prescription or over-the-counter medications (including some common pain relievers or dietary supplements), or recent moderate alcohol consumption.

It could also reflect a transient muscle strain from unaccustomed strenuous exercise. Your healthcare provider will likely recommend repeating the AST alongside an ALT (Alanine Aminotransferase) test to gauge the pattern of liver enzyme activity and help differentiate between liver and muscle origins.

Further assessments might include additional liver function tests, a viral hepatitis panel, or an abdominal ultrasound to assess for conditions like fatty liver. One often-overlooked detail is that simply being mildly dehydrated or having engaged in intense physical activity shortly before the blood draw can temporarily nudge your AST to 67 U/L, emphasizing the importance of openly discussing your recent lifestyle and medication use for the most accurate interpretation.

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 67 against a general adult target. What 67 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) 67 U/L

An Aspartate Aminotransferase (AST) level of 67 U/L can be a subtle indicator, hinting at various processes occurring within the body. This particular enzyme is found in many different tissues, including the liver, heart, and muscles.

When cells in these tissues are damaged, AST can be released into the bloodstream, leading to higher levels. Understanding these potential “hidden risks” isn't about immediate alarm but about thoughtful awareness.

For instance, sometimes muscle strain from intense exercise or even minor injuries can temporarily raise AST. However, persistent elevations, even moderate ones like 67 U/L, encourage a closer look at liver health and other body systems.

It’s a call to understand the story your body is telling, guiding you towards proactive steps for your 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 mildly elevated aspartate aminotransferase (AST) level, such as the one observed at 67 U/L, suggests ongoing, low-grade cellular damage, particularly within the liver. While not indicative of acute liver failure, this persistent elevation can contribute to the gradual development of hepatic fibrosis over time.

This scarring process impairs the liver's ability to perform vital functions like detoxification and protein synthesis. In susceptible individuals, sustained inflammation associated with the underlying cause of this AST rise can, over years, increase the risk of developing more severe liver conditions, including cirrhosis, if left unaddressed.

The specific mechanism involves chronic stress on hepatocytes, leading to repeated injury and repair cycles.

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.
  • Liver health concerns, such as fatty liver or inflammation.
  • Muscle injury or inflammation from various sources, including intense physical activity.
  • Heart muscle stress, although less common as a primary cause for this specific level alone.
  • Certain medication effects or exposure to environmental toxins.

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 67 U/L Mean?

When you encounter a value like Aspartate Aminotransferase (AST) 67 U/L, it’s natural to wonder what it means for your health. Let’s break down this important term. Aspartate Aminotransferase, or AST, is a type of protein known as an enzyme.

Think of enzymes as tiny biological workers that help speed up essential chemical reactions in your body, from digesting food to building new cells. AST is particularly abundant inside the cells of several key organs.

It is found in large amounts in your liver, but also in your heart, skeletal muscles, kidneys, and even in your brain and red blood cells.

For an AST level around 67 U/L, the most common culprits often involve lifestyle factors or early-stage conditions. Non-alcoholic fatty liver disease (NAFLD), frequently linked to obesity, insulin resistance, or metabolic syndrome, is a prime suspect, causing fat accumulation and inflammation in liver cells.

Certain medications, including statins, some antibiotics, or even acetaminophen taken regularly in higher doses, can induce mild liver enzyme elevations. Less commonly, recent strenuous exercise or minor viral hepatitis could also manifest at this approximate level, though other liver enzymes like ALT might be more significantly affected in the latter.

Under normal circumstances, AST stays mostly inside these cells. However, when cells are damaged or injured, they can release their contents, including AST, into your bloodstream. This is why an elevated AST level, such as 67 U/L, often serves as a signal that some cells in one of these organs might be undergoing stress or damage.

It's a general indicator, much like a check engine light on a car; it tells you something needs attention, but not necessarily the exact problem. For instance, the American Liver Foundation points out that even a slight elevation could be a subtle sign requiring further investigation.

A level of Aspartate Aminotransferase (AST) 67 U/L doesn't by itself pinpoint the exact cause or location of the cellular disturbance. It's simply one piece of a larger health puzzle.

To fully understand what this value means for you, a healthcare professional will consider it alongside other information. This includes other related markers, your overall health history, any symptoms you might be experiencing, and your lifestyle.

They might look at another liver enzyme called Alanine Aminotransferase (ALT), because the ratio of AST to ALT can sometimes offer more specific clues about the type of liver condition, if the liver is involved.

It’s crucial to remember that this result is an observation, not a diagnosis, and it serves as a starting point for further discussion with your doctor, empowering you to take charge of your health narrative.

Your AST 67 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 →
The part one number cannot show
Your AST of 67 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) 67 U/L

Addressing an Aspartate Aminotransferase (AST) 67 U/L finding involves looking at your overall lifestyle, beyond just what you eat. Many daily habits can significantly influence your body’s health and, consequently, your enzyme levels. Embracing a holistic approach to wellness can be empowering and can help support the healthy functioning of your organs, including those that contain AST.

Given an AST of 67 U/L, the immediate next step is to repeat the test within 2-4 weeks, ideally after a 12-hour fast and abstaining from alcohol for at least 48 hours prior.

Concurrently, meticulously review all current medications and supplements with your healthcare provider for potential hepatotoxicity. Focus on increasing daily physical activity to at least 30 minutes most days and reducing intake of processed foods and sugary beverages to address potential metabolic drivers.

Monitoring weight trends and skin color for any signs of jaundice is also prudent while awaiting retesting.

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.

Regular physical activity is a cornerstone of good health, but it's important to consider its impact on AST. While moderate exercise is beneficial, intense or prolonged workouts, especially if you're not accustomed to them, can sometimes cause temporary muscle damage and lead to a transient rise in Aspartate Aminotransferase (AST) levels.

If you've recently engaged in strenuous physical activity, this could be a contributing factor to a value of 67 U/L. The key is finding a balance: consistent, moderate activity is often recommended by organizations like the American Heart Association for overall health, ensuring benefits without undue strain.

Prioritizing sufficient, restful sleep is another vital, yet often underestimated, lifestyle factor. During sleep, your body undergoes repair and regeneration processes. Chronic sleep deprivation can put stress on your body's systems, potentially impacting organ health and contributing to inflammation.

Aim for 7-9 hours of quality sleep per night to support your body's recovery and cellular integrity. Reducing stress is equally important. Long-term stress can lead to systemic inflammation and affect various bodily functions.

Incorporating stress-reducing practices into your daily routine, such as mindfulness, meditation, deep breathing exercises, or hobbies you enjoy, can have a positive ripple effect on your well-being, helping to soothe your body’s responses.

Furthermore, avoiding exposure to certain environmental toxins and limiting alcohol consumption are crucial steps. The liver is the body’s primary detoxifier, and excessive alcohol intake is a well-known cause of liver cell damage, which can certainly lead to elevated Aspartate Aminotransferase (AST).

Even moderate consumption, especially if there are other underlying issues, could be a factor. Similarly, exposure to certain chemicals or substances can also stress the liver and other AST-containing organs.

By making informed choices about your environment and daily habits, you can actively contribute to maintaining healthy enzyme levels and supporting your body's natural resilience. An AST level of 67 U/L encourages a mindful review of these aspects of your life, offering you a path to better health.

Before you go

Want a nudge when it is time to check aspartate aminotransferase (ast) again?

This page suggests retesting in 3 months. We will email you then, once, with what to compare against. Nothing else, ever.

One email, in 3 months. Unsubscribe in one click. We never store your results, only the marker name. Privacy

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.

Sources

Disclaimer: This content is for informational purposes only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. BloodMarker does not establish a doctor-patient relationship. Terms & Conditions
Upload my test