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Aspartate Aminotransferase (AST)mg/dL
Alanine Aminotransferase (ALT)mg/dL
Alkaline Phosphatase (ALP)mg/dL
247 U/L elevated
0 from your result
mildly elevatedelevatedvery high
1normal under 46500
what this means

247 is elevated for GGT, 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 201 U/L over the normal ceiling of 46. That reads elevated.

247 is elevated. That is above the normal range for GGT. 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 · Gamma-Glutamyl Transferase (GGT)

Gamma-Glutamyl Transferase (GGT) 247 U/L: Is That High?

Borderline. 247 U/L is outside the normal range for GGT.

But a number alone is only half the story. Your Aspartate Aminotransferase (AST), Alanine Aminotransferase (ALT) 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 30, 2026

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YOUR NUMBERS

Normal: <48
Raised: 48-119
High: 120+

Values in U/L. Your Gamma-Glutamyl Transferase (GGT) of 247 is marked.

What they say together.

Gamma-Glutamyl Transferase (GGT) 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/LexampleNORMAL
34 ÷ 38 =0.9AST to ALT ratio, the De Ritis ratio. Under 1 is the usual fatty-liver pattern; above 2 points at alcohol.
247 and 386.5GGT 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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Every marker on your test, read against your age and sex. Free.

Is Gamma-Glutamyl Transferase (GGT) 247 U/L Low, Normal, or High?

Gamma-Glutamyl Transferase (GGT) 247 U/L might be considered significantly elevated compared to typical reference ranges. While exact 'normal' values can vary between laboratories, a GGT level of 247 U/L generally points towards an increased activity of this enzyme.

This elevation suggests that your body, particularly your liver, might be under some form of stress or influence. Understanding what this specific GGT result could mean is a crucial step in exploring your overall health picture and the potential reasons behind it. What could be causing such a notable increase in this enzyme?

what this page cannot tell you

Hemoglobin levels combined with this marker can reveal underlying conditions that neither value shows on its own

This page has not been given your Hemoglobin, so that half of the picture is missing here. It is describing the average reader with Gamma-Glutamyl Transferase (GGT), not you.

Read mine against my Hemoglobin →

A Gamma-Glutamyl Transferase (GGT) level of 247 U/L is a stark indicator of significant liver or bile duct stress, soaring well over five times the upper limit of the normal range.

Such a substantial elevation strongly suggests active hepatobiliary involvement, rather than a minor fluctuation. Clinically, this precise reading often points toward conditions like chronic heavy alcohol consumption, where GGT is highly sensitive to ethanol's effects, or potential cholestatic issues such as bile duct obstruction from gallstones or strictures.

It could also signify non-alcoholic steatohepatitis (NASH) in more advanced stages or even the impact of certain prescription medications metabolized by the liver. To pinpoint the exact cause, further investigations are crucial.

These typically include a comprehensive liver panel to assess AST, ALT, ALP, and bilirubin levels, along with imaging studies like an abdominal ultrasound, CT scan, or even an MRCP to visualize the bile ducts.

A detailed history regarding alcohol intake, medication use, and existing health conditions will also be paramount. What patients often don't realize is that while this GGT level is concerning, it doesn't directly measure liver damage itself, but rather the liver's response to stress or irritation, and in many cases, especially with lifestyle changes or treating the underlying cause, this marker can significantly improve.

The liver and Gamma-Glutamyl Transferase (GGT) LIVER Produces Gamma-Glutamyl Transferase (GGT) Blood supply Bile output Elevated Gamma-Glutamyl Transferase (GGT) may indicate liver cell damage or stress
for your numbersThe section below is written for 247 against a general adult target. What 247 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 Gamma-Glutamyl Transferase (GGT) 247 U/L

An elevated Gamma-Glutamyl Transferase (GGT) 247 U/L can be a signal that warrants closer attention to your liver health, an organ central to numerous bodily functions. While GGT is not solely indicative of liver issues, a level this high often prompts a more thorough evaluation to understand the underlying causes and potential long-term implications for your well-being.

Persistently high GGT, particularly at a value like 247 U/L, can be associated with increased risk for certain health challenges if the underlying cause is not addressed, influencing not only liver function but potentially broader metabolic health, according to organizations like the National Institutes of Health (NIH).

This marker's elevation can be a silent indicator, even before more noticeable symptoms arise, suggesting a need to investigate factors that might be impacting your liver and overall health. Addressing the root causes behind a Gamma-Glutamyl Transferase (GGT) 247 U/L result is key to maintaining vitality and preventing further health concerns.

what this page cannot tell you

Kidney function reflected by creatinine affects how this marker is processed and what your levels actually mean

This page has not been given your Creatinine, so that half of the picture is missing here. It is describing the average reader with Gamma-Glutamyl Transferase (GGT), not you.

Read mine against my Creatinine →

A Gamma-Glutamyl Transferase (GGT) level of 247 U/L, significantly exceeding the normal range, signals active liver injury or bile duct obstruction. This elevation suggests potential inflammation within the liver, which, if left unaddressed, can progress to more serious conditions like fibrosis or cirrhosis over time.

It also increases the risk of developing gallstones or other forms of biliary disease due to impaired bile flow. Furthermore, persistently high GGT can be an early indicator of non-alcoholic fatty liver disease (NAFLD) or alcoholic liver disease, both of which carry substantial cardiovascular risks and can eventually impair the liver's critical detoxification and metabolic functions.

for your numbersThe risk below is the average one for this GGT. 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.
  • Higher GGT levels, especially at 247 U/L, could point to liver stress or injury.
  • This specific elevation might be linked to factors like fatty liver or certain medications.

This part is about the number

Everything below explains what raises Gamma-Glutamyl Transferase (GGT). 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.

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What Does a Gamma-Glutamyl Transferase (GGT) Level of 247 U/L Mean?

The Gamma-Glutamyl Transferase (GGT) 247 U/L result you received relates to an enzyme found widely throughout your body, but it is particularly concentrated in the liver. Think of GGT as a sensitive alarm system within the body's internal 'factory,' especially for the liver and bile ducts.

When everything is running smoothly, GGT levels in the blood are typically low. However, when the liver cells or bile ducts are irritated, damaged, or working harder than usual, they can release more GGT into the bloodstream, causing a rise in its measured level.

A value of 247 U/L is a significant elevation, suggesting this 'alarm' might be sounding quite loudly.

An elevated GGT of 247 U/L most plausibly stems from significant alcohol consumption, particularly if it has been recent and substantial. Another leading cause could be the use of certain medications known to affect liver enzymes, such as some anticonvulsants, statins, or antibiotics, especially if taken at higher doses or for prolonged periods.

Less commonly but still probable, this level might indicate early-stage biliary tract disease, like choledocholithiasis (gallstones in the common bile duct), or potentially a flare-up of viral hepatitis, although other liver enzymes would likely be more profoundly elevated in the latter.

One of the most common reasons for such a pronounced increase in Gamma-Glutamyl Transferase (GGT) is the consumption of alcohol. Even moderate, regular alcohol intake can elevate GGT, and heavier consumption is frequently associated with levels like 247 U/L or even higher.

It is important to note that GGT elevation from alcohol can reflect direct liver cell irritation or adaptations the liver makes to process alcohol. Another very common cause, particularly in today's society, is non-alcoholic fatty liver disease (NAFLD).

This condition involves the accumulation of fat in liver cells and can lead to inflammation and damage, triggering the release of GGT. NAFLD is often linked to factors like obesity, type 2 diabetes, and high cholesterol.

When your GGT is 247 U/L, these are often among the first considerations for exploration.

Certain medications can also cause an elevated Gamma-Glutamyl Transferase (GGT) 247 U/L. Some drugs, as a part of how they are processed by the liver, can induce the production of GGT, leading to higher levels in the blood even without significant liver injury.

Additionally, conditions affecting the bile ducts, which are small tubes that transport digestive fluid from the liver, can block the flow and cause GGT to rise. Less common causes might include certain heart conditions, pancreatitis, or even severe kidney issues.

The World Health Organization (WHO) emphasizes the importance of a comprehensive health assessment to pinpoint the specific reason behind a high GGT reading, as this marker is sensitive to various influences but not specific to one single condition.

Therefore, Gamma-Glutamyl Transferase (GGT) 247 U/L is a strong indicator that further investigation into your liver health and lifestyle factors is warranted to understand the precise meaning for your individual situation.

Your GGT 247 means different things depending on your other markers

GGT + Hemoglobin
Hemoglobin levels combined with this marker can reveal underlying conditions that neither value shows on its own
GGT + Creatinine
Kidney function reflected by creatinine affects how this marker is processed and what your levels actually mean
GGT + Fasting Blood Glucose
Blood sugar status interacts with this marker in ways that change the clinical significance of your result
Upload your blood test, get your real plan back to normal →
for your numbersThis section lists every reason GGT 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 Gamma-Glutamyl Transferase (GGT) 247 U/L

Addressing a Gamma-Glutamyl Transferase (GGT) 247 U/L result often involves exploring various lifestyle adjustments beyond just what you eat. Engaging in regular physical activity is a powerful tool for supporting overall metabolic health, which in turn can positively influence liver function.

Aim for a mix of aerobic exercises, like brisk walking, cycling, or swimming, combined with strength training a few times a week. This doesn't mean you need to become an athlete overnight; even starting with 30 minutes of moderate activity most days of the week can make a meaningful difference.

The Centers for Disease Control and Prevention (CDC) consistently highlights the broad health benefits of staying active, including its role in managing conditions often associated with elevated GGT.

Given a GGT reading of 247 U/L, immediate steps are crucial. First, cease all alcohol intake immediately and review all prescription and over-the-counter medications with your prescribing physician to identify potential hepatotoxic agents.

Schedule a follow-up liver function panel within 2-4 weeks to monitor the trend; consider including markers like Alkaline Phosphatase and Bilirubin to further assess for biliary involvement. If medication is implicated, discuss alternative treatments with your doctor.

If alcohol is the likely culprit, commit to sustained abstinence and consider seeking support from a substance abuse professional. Tracking for symptoms like jaundice, abdominal pain, or unexplained fatigue is also recommended.

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.

Another critical area to consider is stress management. Chronic stress can have subtle yet profound effects on your body, potentially influencing inflammation and metabolic processes that impact liver health. Practices such as meditation, deep breathing exercises, yoga, or spending time in nature can help reduce stress levels.

Ensuring adequate, restorative sleep, typically 7-9 hours per night for most adults, also plays a vital role in recovery and metabolic regulation. Beyond these, avoiding recreational substances that can strain the liver, like illicit drugs or excessive consumption of supplements not approved by a healthcare provider, becomes even more important when your GGT is 247 U/L.

The focus here is on creating a supportive environment for your liver and metabolic system to thrive, working towards bringing your Gamma-Glutamyl Transferase (GGT) 247 U/L value back into a more typical range.

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.

Diet Changes for Gamma-Glutamyl Transferase (GGT) 247 U/L

When your Gamma-Glutamyl Transferase (GGT) is 247 U/L, dietary adjustments can play a significant role in supporting liver health and potentially lowering this enzyme level. Focusing on a nutrient-rich, balanced diet that minimizes liver stressors is a proactive step.

Reducing or eliminating alcohol consumption is often the most impactful first step for many individuals with elevated GGT. The liver is primarily responsible for processing alcohol, and excessive intake can directly lead to the release of GGT into the bloodstream.

Beyond alcohol, limiting foods high in saturated and trans fats, processed sugars, and refined carbohydrates can help reduce the burden on your liver and mitigate factors contributing to conditions like non-alcoholic fatty liver disease, a common cause for an elevated GGT.

Instead, emphasize a diet rich in whole foods. Incorporate plenty of fruits, vegetables, whole grains, and lean proteins. Foods high in antioxidants, such as berries, leafy greens, and nuts, can help protect liver cells from damage.

Omega-3 fatty acids, found in fatty fish like salmon, flaxseeds, and walnuts, are also beneficial for reducing inflammation. The American Heart Association (AHA) and many other health organizations advocate for a plant-focused diet for overall health, which also supports liver function.

Making these thoughtful dietary shifts can be an empowering way to influence your Gamma-Glutamyl Transferase (GGT) 247 U/L result and promote your liver's well-being.

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.
  • Prioritize cutting back on or avoiding alcohol entirely to ease liver burden.
  • Increase your intake of colorful fruits, vegetables, and lean protein sources.
Foods that support liver health Broccoli Cruciferous Coffee Liver-protective Fatty fish Omega-3s Nuts Vitamin E Olive Oil Healthy fats Reduce alcohol and processed foods to support liver recovery
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.

Gamma-Glutamyl Transferase (GGT) 247 U/L in Men, Women, Elderly, and Kids

The interpretation of a Gamma-Glutamyl Transferase (GGT) 247 U/L result can have nuances depending on age and sex, though a value this high is generally considered elevated across all demographics.

Typically, adult men may have slightly higher 'normal' GGT ranges than adult women, often attributed to hormonal differences and lifestyle factors. However, a 247 U/L result for either sex is well above these typical ranges, signaling a clear departure from what is considered healthy.

For women, especially those taking certain hormonal therapies, GGT levels can sometimes be influenced, but usually not to this degree without another underlying cause. The Mayo Clinic often points out that while reference ranges can vary, a significant elevation like this consistently warrants investigation.

In the elderly, GGT levels can sometimes naturally drift upwards slightly with age due to accumulated health conditions or increased medication use. However, a Gamma-Glutamyl Transferase (GGT) 247 U/L in an older individual still indicates a significant concern and requires a thorough evaluation to identify the specific cause, such as medication side effects, pre-existing liver conditions, or metabolic issues.

In children, GGT elevations are often considered more serious and less common, as their developing bodies are usually less exposed to common GGT-elevating factors like extensive alcohol use or chronic medication.

Therefore, a 247 U/L GGT in a child would typically trigger a more urgent and specialized investigation to rule out rarer genetic conditions, specific infections, or severe bile duct issues.

Regardless of the demographic, Gamma-Glutamyl Transferase (GGT) 247 U/L is a strong signal that an underlying health factor needs to be identified and addressed by a healthcare professional.

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.
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.

Medicine Effects on Gamma-Glutamyl Transferase (GGT) 247 U/L

Many medications, both prescription and over-the-counter, can influence Gamma-Glutamyl Transferase (GGT) levels, sometimes leading to an elevation like 247 U/L. The liver is the body's primary processing plant for drugs, and some medications can either directly stress liver cells or induce the production of more GGT enzymes as the body works to metabolize them.

It's crucial to consider all current medications when investigating a high GGT result, as what might be a necessary treatment for one condition could be contributing to this elevation. Examples include certain anticonvulsant drugs used for epilepsy, some cholesterol-lowering medications (statins), specific antibiotics, antifungal agents, and even common pain relievers like acetaminophen when taken at high doses or for extended periods.

Even herbal supplements or over-the-counter remedies, which are often perceived as harmless, can sometimes affect liver function and GGT levels. It's important to provide your healthcare provider with a complete list of all medications and supplements you are taking when discussing your Gamma-Glutamyl Transferase (GGT) 247 U/L result.

Adjusting or temporarily pausing a medication should only be done under the strict guidance of a doctor, as the benefits of a prescribed drug often outweigh its potential impact on GGT.

Your medical team can help evaluate if a particular medication is likely contributing to your elevated GGT and discuss potential alternatives or monitoring strategies, always prioritizing your overall health and safety.

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.
  • Review all medications, including over-the-counter drugs and supplements, with your doctor.
  • Never stop or change prescribed medications without medical advice, even with elevated GGT.

When to Retest Gamma-Glutamyl Transferase (GGT) 247 U/L

When your Gamma-Glutamyl Transferase (GGT) is 247 U/L, repeating the test is often a critical step in the diagnostic process. This follow-up isn't just about confirming the number; it's about observing trends and assessing the effectiveness of any initial changes or interventions.

Your healthcare provider will likely recommend a repeat GGT test after some time, which could range from a few weeks to a few months, depending on the suspected cause and the overall clinical picture.

For a significant elevation like 247 U/L, this retesting period allows enough time for lifestyle modifications, such as reducing alcohol intake or dietary changes, to potentially influence the level. It also gives your doctor a chance to assess whether any identified underlying conditions are responding to treatment.

The American Association for the Study of Liver Diseases (AASLD) emphasizes the value of serial measurements to monitor liver health.

If the Gamma-Glutamyl Transferase (GGT) 247 U/L result remains high or continues to rise on a repeat test, it strengthens the indication that a persistent factor is at play, necessitating further investigation.

Conversely, if the GGT level starts to decrease, it suggests that the initial strategies or treatments are having a positive effect. This information is invaluable for your healthcare provider in formulating a precise management plan tailored to your specific situation.

The exact timing and frequency of repeat testing will be determined by your doctor, taking into account your symptoms, other blood test results, and any underlying health conditions. It’s part of a careful, step-by-step approach to understanding and managing your health with a Gamma-Glutamyl Transferase (GGT) 247 U/L reading.

Gamma-Glutamyl Transferase (GGT) 247 U/L — Frequently Asked Questions

A Gamma-Glutamyl Transferase (GGT) 247 U/L result is considered significantly elevated and generally indicates that your liver or bile ducts are experiencing some form of stress or injury. While GGT is a sensitive marker, it's not specific, meaning it doesn't pinpoint a single disease.

However, a value this high strongly suggests the need for further investigation by a healthcare professional to determine the exact underlying cause, which could range from common issues like alcohol consumption or fatty liver to less common conditions.

For a Gamma-Glutamyl Transferase (GGT) 247 U/L result, the most impactful lifestyle changes often revolve around liver health. These include completely abstaining from alcohol, adopting a balanced diet low in processed foods, unhealthy fats, and sugars, and increasing regular physical activity.

Managing stress and ensuring adequate sleep are also beneficial. These changes aim to reduce liver burden and inflammation, supporting the liver's ability to return to healthier functioning and potentially lowering your GGT level.

The time it takes for a Gamma-Glutamyl Transferase (GGT) 247 U/L level to change with lifestyle interventions varies from person to person. For alcohol-related elevations, levels can begin to decrease within weeks of abstinence.

For issues like non-alcoholic fatty liver disease, consistent dietary and exercise changes might show improvements over several months. Your healthcare provider will guide you on appropriate follow-up testing to monitor your progress and adjust your management plan accordingly.

When to See a Doctor About Gamma-Glutamyl Transferase (GGT) 247 U/L

Discovering a Gamma-Glutamyl Transferase (GGT) 247 U/L result in your blood work naturally leads to questions about next steps. Given that this value is significantly elevated, consulting with a healthcare professional is not just recommended, but essential.

Your doctor is uniquely positioned to interpret this specific result within the context of your complete medical history, other lab tests, current medications, and lifestyle factors. They can help identify the most common underlying causes that might explain such a marked elevation in GGT, such as alcohol intake, non-alcoholic fatty liver disease, or medication effects.

During your consultation, your doctor may recommend additional diagnostic tests to further investigate the cause of your Gamma-Glutamyl Transferase (GGT) 247 U/L. This could include other liver enzyme tests, imaging studies of your liver and bile ducts, or specific tests to rule out infections or other conditions.

More importantly, they will work with you to develop a personalized management plan aimed at addressing the root cause, which may involve dietary changes, exercise recommendations, medication adjustments, or other therapies.

Taking this proactive step to discuss your Gamma-Glutamyl Transferase (GGT) 247 U/L with your doctor is an empowering decision towards understanding and optimizing your health.

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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.
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