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

167 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 126 U/L over the normal ceiling of 41. That reads elevated.

167 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.

recheck in 12 weeks

Your BloodMarker report · Aspartate Aminotransferase (AST)

Aspartate Aminotransferase (AST) 167 U/L: Is That High?

Borderline. 167 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

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 167 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
167 ÷ 38 =4.4AST 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.
Read my whole panel →

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

Is Aspartate Aminotransferase (AST) 167 U/L Low, Normal, or High?

Aspartate Aminotransferase (AST) 167 U/L might be considered higher than what is typically observed for many adults. This specific value suggests your body could be communicating important information about your internal well-being.

Understanding this elevated level is a crucial step towards uncovering potential insights about various bodily processes. This initial information can help you feel more prepared for discussions with your healthcare team.

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 AST level of 167 U/L represents a significant elevation well above the normal range of 5-40 U/L, indicating cellular damage. While Aspartate Aminotransferase is commonly associated with liver function, this specific moderate increase often points to early or mild-to-moderate liver inflammation.

Common culprits at this level include acute viral hepatitis, non-alcoholic fatty liver disease (NASH), or reactions to certain medications. However, a value of 167 U/L doesn't exclusively signal liver disease; AST is also abundant in skeletal muscle and the heart.

Therefore, recent strenuous exercise, muscle trauma, or even a minor cardiac event can transiently raise this marker, an important distinction many patients might not realize. To accurately identify the source of this elevation, your healthcare provider will typically order companion tests such as Alanine Aminotransferase (ALT), which is more liver-specific, along with other liver function markers like bilirubin and alkaline phosphatase.

Further evaluation might include hepatitis panels, an abdominal ultrasound, or a detailed review of your medication list and recent physical activity to determine the precise underlying cause and guide appropriate management.

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 167 against a general adult target. What 167 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) 167 U/L

An elevated Aspartate Aminotransferase (AST) 167 U/L level can sometimes suggest underlying issues that warrant further exploration, even if you are not experiencing noticeable symptoms. This enzyme is present in several areas of the body, including the liver, heart, skeletal muscles, and kidneys, so a higher level often points to some form of cellular activity or distress in these areas.

While one isolated number doesn't tell the whole story, it acts as an important signal, prompting a closer look into your overall health picture. It’s a call to understand the subtle shifts happening within your system, inviting you to engage more deeply with your healthcare journey.

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 167 U/L, significantly exceeding the normal range, suggests active hepatocellular injury that, if unaddressed, could progress to more severe liver dysfunction. This elevation indicates that liver cells are releasing substantial amounts of AST into the bloodstream, pointing towards inflammation or damage.

While this specific elevation doesn't definitively predict immediate decompensation, sustained damage at this magnitude increases the risk of developing fibrosis, which can eventually lead to cirrhosis. Chronic inflammation can also impair the liver's ability to perform its vital functions, including detoxification and protein synthesis, potentially leading to complications like portal hypertension and ascites if the underlying cause is not identified and managed promptly.

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.

Here are some general areas an elevated Aspartate Aminotransferase (AST) 167 U/L level might lead a healthcare provider to consider:

  • **Liver Health:** Conditions affecting the liver, such as inflammation or damage from various causes.
  • **Muscle Integrity:** Any form of muscle injury, strenuous exercise, or certain muscle conditions.
  • **Other Organ Systems:** Less commonly, issues affecting the heart or kidneys could also contribute to elevated AST.

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 167 U/L Mean?

Aspartate Aminotransferase (AST) is an enzyme, which is a type of protein that helps speed up chemical reactions within your body's cells. It plays a role in amino acid metabolism, a fundamental process for energy production and building blocks of life.

AST is found in many different tissues, but it is especially abundant in the liver, heart, skeletal muscles, and red blood cells. When cells in these tissues are damaged or inflamed, they can release AST into the bloodstream, which is why an elevated Aspartate Aminotransferase (AST) 167 U/L level can act as a signal.

It indicates that there might be some level of cellular distress or turnover occurring in one or more of these areas. This isn't a diagnosis in itself, but rather an indicator that prompts further investigation.

Your healthcare provider will often look at other related enzymes, like Alanine Aminotransferase (ALT), along with your medical history and other symptoms, to get a clearer picture of what the Aspartate Aminotransferase (AST) 167 U/L might mean specifically for you.

Understanding this context transforms a number into a valuable piece of information about your unique physiology.

An AST level around 167 U/L is most commonly attributable to acute viral hepatitis (like Hepatitis A, B, or C), or a significant bout of non-alcoholic steatohepatitis (NASH) driven by factors like obesity or insulin resistance.

Certain medications, particularly statins, acetaminophen in high doses, or some antibiotics, can also cause this degree of elevation by directly inducing liver cell stress or injury. Less frequently, but importantly, consider acute alcohol-induced liver damage, especially if there's a history of recent heavy consumption, or even early stages of autoimmune hepatitis.

Your AST 167 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 167 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) 167 U/L

Making thoughtful lifestyle choices can significantly support your overall health and organ function, and these choices might indirectly play a role in maintaining balanced enzyme levels, including Aspartate Aminotransferase (AST) 167 U/L.

Focusing on general well-being through daily habits can create a foundation for a healthier body. Regular physical activity, for instance, can enhance blood circulation and reduce inflammation throughout the body.

However, it's worth noting that very intense or prolonged exercise can temporarily elevate AST due to normal muscle breakdown. Therefore, engaging in moderate, consistent physical activity that feels good for your body is often encouraged.

Managing stress effectively is another vital component of a healthy lifestyle. Chronic stress can impact various bodily systems, and finding healthy outlets such as meditation, deep breathing, or spending time in nature can be incredibly beneficial.

Prioritizing adequate, restorative sleep, typically 7-9 hours per night for adults, allows your body to repair and regenerate, supporting organ health. Furthermore, avoiding harmful substances like excessive alcohol and tobacco use is crucial, as these are well-known contributors to liver damage and other health issues.

Organizations like the National Institutes of Health (NIH) consistently highlight the broad benefits of these healthy practices for a robust and resilient body. These integrated approaches foster an environment where your body can function more optimally, contributing to your overall vitality.

Your AST level of 167 U/L warrants immediate medical attention to identify the underlying cause. Schedule a follow-up appointment with your primary care physician for further evaluation, which should include viral hepatitis serologies (Hepatitis A, B, C), autoimmune markers (ANA, ASMA), and a lipid panel.

Discuss all current medications, supplements, and recent alcohol intake. Lifestyle modifications, such as eliminating or strictly limiting alcohol and adopting a balanced, low-fat diet, are crucial. Depending on initial findings, your doctor may refer you to a gastroenterologist or hepatologist for specialized testing, possibly including an abdominal ultrasound or transient elastography.

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.

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