Your full report
$15/month. Cancel anytime, the report stays yours.
Everything else
Tell it who you are and what else was on your test. Every line below, including the article, rewrites itself as you go.
reading page 1…
Written for you, just now
Six systems are talking to each other in your blood.every marker read against the others · in the order to deal with them · your twelve weeks
add any marker from your test
123 is elevated for AST, far enough out to be worth acting on.
this is the average reading · make it yours below
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 82 U/L over the normal ceiling of 41. That reads elevated.
123 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.
Your BloodMarker report · Aspartate Aminotransferase (AST)
Borderline. 123 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.
Upload or photograph your blood test and see every marker explained in seconds. Free.
Upload my blood testYOUR NUMBERS
Values in U/L. Your Aspartate Aminotransferase (AST) of 123 is marked.
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.
Every marker on your test, read against your age and sex. Free.
Aspartate Aminotransferase (AST) 123 U/L is a specific number you might see reported on a health assessment. While individual reference ranges can vary, a level of 123 U/L might be considered higher than what is typically observed for many individuals.
Values for Aspartate Aminotransferase (AST) are part of a broader picture of your internal health. Understanding what this specific finding could mean is a step towards greater clarity 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) result of 123 U/L signals a notable elevation, more than double the upper limit of the normal range (5-40 U/L), indicating potential cellular stress or damage.
At this specific level, common culprits often include early or mild liver inflammation, such as that associated with non-alcoholic fatty liver disease (NAFLD) or moderate alcohol consumption. Alternatively, significant muscle strain or injury, for instance after intense exercise or minor trauma, can also lead to AST values in this range, as AST is present in muscle cells as well as the liver.
To pinpoint the exact cause, further investigation is essential. This typically involves checking other liver function tests, like Alanine Aminotransferase (ALT), Alkaline Phosphatase (ALP), and bilirubin, to provide a broader picture of liver health and differentiate between liver and muscle origins.
A re-test might also be ordered to see if the elevation persists, alongside a detailed review of recent activities, medications, and any symptoms. It’s common for patients to worry that an AST of 123 U/L indicates severe, immediate liver failure; however, this level is more likely signaling an opportunity to identify and address underlying factors before they progress.
This elevation is usually not an emergency requiring immediate hospitalization, but rather a prompt for a thorough diagnostic workup.
Understanding your Aspartate Aminotransferase (AST) 123 U/L result can be a starting point for exploring aspects of your overall health that might not be immediately obvious. This enzyme is primarily found in the liver, but also in other tissues like heart muscle, skeletal muscle, kidneys, and brain.
When these cells are damaged, the Aspartate Aminotransferase (AST) within them can be released into the bloodstream, leading to an elevated level like 123 U/L. This elevation doesn't pinpoint a specific problem on its own, but it signals that further investigation might be beneficial to understand its origin.
Various factors, from daily habits to underlying conditions, can influence these enzyme levels, making it crucial to consider your full health context. An elevated Aspartate Aminotransferase (AST) level, such as 123 U/L, invites a closer look at the body's cellular health and how well different organs are functioning.
It highlights the intricate connections within your body, where changes in one area can reflect in these markers.
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 of 123 U/L, significantly above the normal range, suggests active liver cell injury. While not acutely critical, this sustained elevation raises the risk of progressive liver damage over time.
Chronic inflammation can lead to fibrosis, the scarring of liver tissue. If unchecked, this can eventually progress to cirrhosis, characterized by significant architectural distortion of the liver, impairing its vital functions.
Furthermore, substantial liver cell turnover can sometimes be a marker for underlying conditions that may also affect other organs, necessitating a thorough investigation to prevent long-term complications.
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
When you encounter a result like Aspartate Aminotransferase (AST) 123 U/L, it's natural to wonder about its significance for your health. Aspartate Aminotransferase (AST) is an enzyme, which is a type of protein that helps speed up chemical reactions within your body's cells.
Its presence at a level of 123 U/L in a health report indicates that some cells containing this enzyme may have released it, possibly due to some form of irritation or damage.
It's important to remember that this specific number is just one piece of information. The human body is complex, and many different situations can lead to an elevated Aspartate Aminotransferase (AST) level.
These can range from intense physical activity to certain common medications, or even temporary issues that resolve on their own. For example, conditions affecting the liver, such as inflammation or injury, are often associated with increases in Aspartate Aminotransferase (AST).
However, because Aspartate Aminotransferase (AST) is also found in other organs like your heart and muscles, an elevation doesn't automatically mean a liver problem. Instead, it suggests a need for a more comprehensive evaluation, which might include looking at other enzyme levels, your medical history, and current symptoms.
The American Liver Foundation emphasizes that isolated enzyme elevations should always be interpreted in the context of a person's overall health profile, underscoring that a single number, even Aspartate Aminotransferase (AST) 123 U/L, rarely tells the whole story.
An AST reading of 123 U/L is most plausibly linked to moderate alcohol consumption or non-alcoholic fatty liver disease (NAFLD). Persistent intake of even moderate amounts of alcohol can stress liver cells, leading to elevated AST.
Similarly, NAFLD, often associated with metabolic syndrome, obesity, and high blood sugar, can cause liver inflammation and enzyme leakage. Less commonly, but still possible at this level, could be adverse reactions to certain medications, particularly statins or some antibiotics, or the early stages of viral hepatitis infection.
Beyond specific dietary choices, several general lifestyle adjustments can support your overall well-being and cellular health, which in turn could influence various internal markers, including your Aspartate Aminotransferase (AST) levels.
Engaging in regular physical activity is a cornerstone of a healthy lifestyle. Activities like walking, jogging, or cycling can help maintain a healthy body weight and improve metabolic function. The key is consistency and choosing activities you enjoy to make them sustainable.
However, it's also worth noting that intense exercise can temporarily elevate muscle enzymes, including Aspartate Aminotransferase (AST), due to normal muscle breakdown. Therefore, discussing your exercise routine with a healthcare provider before any tests is always a good idea.
Adequate sleep is another vital component of health. During sleep, your body undergoes repair and regeneration processes. Chronic sleep deprivation can put stress on the body, potentially impacting various organ systems.
Aiming for 7-9 hours of quality sleep each night can significantly contribute to your physical and mental health. Managing stress effectively is also crucial. Prolonged stress can have a wide range of effects on the body, from affecting hormone balance to impacting cellular function.
Techniques such as mindfulness meditation, yoga, spending time in nature, or engaging in hobbies can help reduce stress levels. These lifestyle choices, by promoting overall health and reducing cellular stress, contribute to a balanced internal environment that may reflect positively on markers like Aspartate Aminotransferase (AST) 123 U/L.
With an AST at 123 U/L, your immediate next step is a follow-up test within 2-4 weeks to confirm persistence. Concurrently, assess and modify your alcohol intake, aiming for abstinence if any consumption exists, and focus on dietary changes to reduce processed foods and increase vegetable intake if overweight.
Track any new medications or supplements started recently. Depending on other accompanying lab results and your medical history, a referral to a gastroenterologist or hepatologist for further evaluation, potentially including viral hepatitis screening or abdominal ultrasound, is warranted.
Free calculators for this marker
Before you go
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
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.
Keep reading
Blood values are never read alone. These are the ones that sit next to yours.
Sources & References
Related Markers You Should Also Check
Commonly Seen Together
Blood test results rarely exist in isolation. When one marker is out of range, these related values are often checked alongside it:
Other Aspartate Aminotransferase (AST) Values
Check these next
Commonly seen together
Other hemoglobin values
Sources