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

358 is very high for GGT, enough that the number itself is the problem.

this is the average reading · make it yours below

reading as

This level is usually treated as urgent. A result this far outside the range is normally checked by a doctor promptly, not at your next routine appointment.

You are 312 U/L over the normal ceiling of 46. That reads very high.

358 is very high. 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) 358 U/L: Is That High?

Yes. 358 U/L is well 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 358 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.
358 and 389.4GGT 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) 358 U/L Low, Normal, or High?

Gamma-Glutamyl Transferase (GGT) 358 U/L might be considered a significantly elevated level. This measurement is notably higher than typical reference ranges, suggesting your body's systems may be under stress or experiencing increased activity.

While understanding what this number signifies can feel overwhelming, it is a crucial piece of information for your healthcare provider. This elevated GGT level provides an important signal, prompting a comprehensive discussion with your doctor about potential next steps and further evaluation.

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 358 U/L is critically elevated, signaling a significant and concerning impact on your liver health, far exceeding the normal upper limit of 45 U/L.

This substantial elevation, almost seven times the healthy threshold, strongly suggests active and potentially severe cellular stress or damage within the liver or biliary system. At this magnitude, common culprits include acute liver injury from toxins or medication, significant bile duct obstruction preventing bile flow, or chronic, heavy alcohol consumption.

It's a clear red flag that warrants immediate attention. Your healthcare provider will almost certainly order further diagnostic tests, including a comprehensive liver function panel to assess other enzymes like ALT and AST, bilirubin, and alkaline phosphatase, as well as imaging studies such as an abdominal ultrasound or potentially an MRI or CT scan to investigate the liver structure and bile ducts for blockages.

For patients, understanding that while GGT is highly sensitive to liver issues, it’s not specific to *why* it's elevated, means that the next steps are a focused detective process. You might feel perfectly fine, but this value indicates a silent process that needs urgent identification and management to prevent further complications.

A reading of 358 U/L is a clear call for thorough investigation, not a "wait and see" scenario.

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 358 against a general adult target. What 358 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) 358 U/L

An elevated Gamma-Glutamyl Transferase (GGT) level, especially one as high as 358 U/L, acts as a significant indicator that warrants a closer look into your overall health. Such a value can suggest that certain cells, particularly those in the liver, are experiencing stress or damage.

While GGT is not a diagnostic tool on its own, this particular number strongly signals the need for a deeper conversation with your healthcare provider to uncover the underlying reasons for the elevation.

It prompts a detailed review of your health history, current medications, and lifestyle factors that could be influencing this result. Understanding the potential implications of a GGT of 358 U/L is the first step toward clarifying your health picture and formulating a tailored approach with your doctor.

The National Institutes of Health (NIH) emphasizes that elevated GGT levels often point to the need for further testing to pinpoint the exact cause. It's important not to self-diagnose but to use this information as a starting point for medical guidance.

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 358 U/L signifies a profound elevation, far exceeding typical fluctuations and pointing towards significant hepatocellular stress or cholestasis. This markedly high value increases the risk of developing advanced liver fibrosis or cirrhosis, even in the absence of overt symptoms.

Such sustained damage can impair the liver's critical functions, including detoxification, protein synthesis, and bile production, potentially leading to complications like portal hypertension, ascites, and hepatic encephalopathy. Furthermore, a GGT this elevated is often an early indicator of underlying conditions like non-alcoholic fatty liver disease (NAFLD) or alcoholic liver disease that, if unaddressed, can progress to liver failure.

The sheer magnitude of this elevation warrants immediate investigation into its root cause to prevent irreversible harm.

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.

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.

PDF or a photo of the printout · read in seconds

What Does a Gamma-Glutamyl Transferase (GGT) Level of 358 U/L Mean?

Understanding Gamma-Glutamyl Transferase (GGT) 358 U/L begins with knowing what GGT is and what it does in your body. Imagine GGT as a tiny worker enzyme found in many parts of your body, but most notably in your liver.

Its primary job involves processing molecules and helping your body's antioxidant system. Think of your body as a bustling factory. When a specific department, like the liver, is working overtime, under stress, or facing some kind of irritation or damage, these GGT workers can spill out into the bloodstream in higher numbers.

A GGT level of 358 U/L suggests that a substantial number of these 'workers' have been released, indicating a more pronounced level of cellular activity or stress. This doesn't pinpoint *what* is causing the stress, but it definitely highlights *that* something needs attention.

It's like a smoke detector in a multi-story building: a faint beep might be a low battery, but a loud, continuous alarm like this GGT reading strongly signals a significant issue in a specific area that requires immediate investigation by the building's maintenance crew, or in this case, your doctor.

This elevated GGT serves as a flag for your doctor to investigate further, helping to identify the specific source of this cellular distress and guide appropriate next steps. The World Health Organization (WHO) outlines that abnormal enzyme levels, like this GGT reading, are often key in guiding a doctor's assessment of organ health.

A GGT reading around 358 U/L most commonly suggests significant alcohol consumption, potentially exceeding 40 grams per day for men or 20 grams for women, as alcohol is a potent inducer of GGT.

Alternatively, this level could indicate moderate to severe non-alcoholic fatty liver disease (NAFLD) or non-alcoholic steatohepatitis (NASH), particularly if accompanied by other metabolic risk factors like obesity or diabetes. Certain medications, especially enzyme-inducing anticonvulsants or some antibiotics, can also contribute to such elevations, though often in conjunction with other liver insults.

Less commonly, it might signal biliary obstruction due to gallstones or a tumor, or other forms of liver injury like viral hepatitis.

Your GGT 358 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
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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) 358 U/L

When discussing a Gamma-Glutamyl Transferase (GGT) level of 358 U/L with your doctor, lifestyle adjustments beyond diet will likely be a part of the conversation. These changes are not quick fixes but contribute to overall well-being and can support your body's recovery and health.

For instance, engaging in regular physical activity can have a profound impact on various aspects of your health. The American Heart Association (AHA) consistently highlights the benefits of moderate exercise, such as brisk walking, swimming, or cycling, for improving cardiovascular health and supporting organ function.

This could be something as simple as aiming for 30 minutes of moderate activity most days of the week, as advised by many health organizations. Managing stress is another vital component.

Chronic stress can impact your body in numerous ways, and finding healthy outlets like meditation, yoga, or spending time in nature can be beneficial. Additionally, ensuring you get adequate, restorative sleep, typically 7-9 hours per night for adults, is crucial for your body's repair processes.

These lifestyle discussions with your doctor will help create a personalized plan to support your health in the context of your Gamma-Glutamyl Transferase (GGT) 358 U/L result, focusing on sustainable habits rather than drastic temporary measures. It's about empowering yourself with actions that promote long-term health.

Immediate consultation with a healthcare provider is essential for a GGT of 358 U/L. They will likely order a comprehensive liver function panel, viral hepatitis serologies, and abdominal ultrasound to assess liver structure and biliary system.

Simultaneously, a detailed review of alcohol intake, medication list, and dietary habits is crucial; significant reduction or cessation of alcohol is the highest yield lifestyle change if consumption is implicated.

Tracking daily alcohol units and maintaining a balanced, low-fat diet should be prioritized. Depending on initial findings, referral to a hepatologist or gastroenterologist may be necessary for specialized management and potential liver biopsy.

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.

Diet Changes for Gamma-Glutamyl Transferase (GGT) 358 U/L

Addressing a Gamma-Glutamyl Transferase (GGT) level of 358 U/L often involves reviewing your dietary habits as part of a broader health plan with your doctor. Specific nutritional choices can play a supportive role in how your body, particularly your liver, functions.

For instance, incorporating foods rich in antioxidants can help combat cellular stress. Consider a balanced eating pattern that emphasizes whole, unprocessed foods. The Mayo Clinic often points to the benefits of a diet rich in fruits, vegetables, and whole grains for overall health, which can indirectly support liver function.

Discussing your current dietary intake with your healthcare provider can help identify areas where adjustments might be most beneficial, moving towards choices that support your body's resilience and recovery. It’s not about restrictive diets, but rather about informed choices that can make a positive difference.

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) 358 U/L in Men, Women, Elderly, and Kids

When evaluating a Gamma-Glutamyl Transferase (GGT) 358 U/L result, your doctor will consider various factors, including demographic differences. While reference ranges for GGT can vary slightly based on age, sex, and even geographic location, a level of 358 U/L is generally considered significantly elevated across most adult populations.

For example, GGT levels tend to be naturally a bit higher in men than in women. However, this inherent difference does not normalize such a high reading. Similarly, GGT levels can increase with age, but again, 358 U/L is far beyond what would be considered a typical age-related increase.

In children, GGT levels are typically much lower, and a result of 358 U/L would be an even more pronounced elevation, requiring careful investigation. The Centers for Disease Control and Prevention (CDC) provides broad guidelines for blood test interpretations, which doctors use as a baseline, but individual patient context is always key.

Your doctor will take into account your specific profile – your age, sex, and other health conditions – to properly interpret your Gamma-Glutamyl Transferase (GGT) 358 U/L result and formulate a personalized strategy for further evaluation and care.

This comprehensive approach ensures that the interpretation is tailored to you, rather than based on a generic assumption.

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) 358 U/L

Understanding how certain medications might influence your Gamma-Glutamyl Transferase (GGT) 358 U/L result is a crucial part of your discussion with your healthcare provider. Many commonly prescribed and over-the-counter medications can affect GGT levels, sometimes causing elevations.

For example, certain medications for cholesterol, seizure disorders, or even some pain relievers can impact liver enzymes. It's not always a sign of liver damage, but rather a reflection of the liver's role in processing these substances.

Providing your doctor with a complete and accurate list of all medications you are currently taking, including supplements and herbal remedies, is vital. This comprehensive overview allows your doctor to consider medication as a potential contributing factor to your elevated GGT and helps them decide if any adjustments or further investigations are needed.

The U.S. National Library of Medicine (NIH) often details drug-induced liver injury in its databases, highlighting the importance of medication review in cases of enzyme elevation.

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.

When to Retest Gamma-Glutamyl Transferase (GGT) 358 U/L

When you have a Gamma-Glutamyl Transferase (GGT) 358 U/L result, your doctor will typically guide you on the timing of any repeat testing. This isn't a decision made in isolation but is part of a broader diagnostic process.

Initially, your doctor will likely want to explore potential causes for this elevation, which may involve additional blood tests, imaging studies, or a detailed review of your lifestyle and medical history.

The need for a repeat GGT test often depends on what these initial investigations reveal. For instance, if a specific cause is identified and addressed, your doctor might recommend repeating the GGT test after a certain period to see if the level has decreased.

This allows them to monitor the effectiveness of any interventions or lifestyle changes. Conversely, if the initial workup doesn't immediately pinpoint a clear reason for the Gamma-Glutamyl Transferase (GGT) 358 U/L, a repeat test might be scheduled sooner to track trends and ensure nothing was missed.

The American College of Gastroenterology (ACG) often advises that enzyme monitoring is part of ongoing management for various conditions. Remember, the 'when to repeat' question is best answered by your doctor, who will factor in all aspects of your health picture to create a personalized follow-up plan aimed at clarifying and managing your health effectively.

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) 358 U/L — Frequently Asked Questions

When discussing your Gamma-Glutamyl Transferase (GGT) 358 U/L result, consider asking your doctor about potential causes for such a high elevation and what further tests might be needed to identify the root issue.

You could also inquire about the specific implications of this GGT level for your individual health, and whether any of your current medications or lifestyle habits might be contributing to the elevated reading.

Additionally, ask about a timeline for follow-up and what changes you can realistically make to support your health.

Given a Gamma-Glutamyl Transferase (GGT) 358 U/L result, your doctor might order a range of additional tests to get a clearer picture. These could include other liver function tests like ALT, AST, and alkaline phosphatase to assess specific liver cell health, or bilirubin levels.

Imaging tests, such as an ultrasound or MRI of your abdomen, might be suggested to visualize your liver and bile ducts. Blood tests for specific viral infections or autoimmune conditions could also be considered, depending on your overall health profile and medical history. Your doctor will select tests most relevant to your situation.

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.

A Gamma-Glutamyl Transferase (GGT) 358 U/L result indicates a significant elevation and points to the need for further investigation, but it does not automatically diagnose a specific liver disease. GGT can be elevated for various reasons, some related to the liver, others related to other parts of the body or even medication effects.

It serves as an alert that something needs attention, but it is not a diagnosis in itself. Your doctor will use this information, along with other test results and your medical history, to determine the underlying cause and provide an accurate diagnosis. It's a crucial piece of the puzzle, but not the whole picture.

When to See a Doctor About Gamma-Glutamyl Transferase (GGT) 358 U/L

Receiving a Gamma-Glutamyl Transferase (GGT) 358 U/L result should prompt a timely discussion with your healthcare provider. This significantly elevated level is a clear signal that warrants professional medical attention to understand its underlying cause.

It’s important to schedule this visit to review your results in the context of your overall health, symptoms, and medical history. During this appointment, your doctor can interpret what this specific GGT level means for you, identify potential factors contributing to the elevation, and discuss any necessary further evaluations or tests.

Preparing for this visit by noting down any new or persistent symptoms, a complete list of your medications and supplements, and any recent lifestyle changes can make the conversation more productive.

The key is to approach this result as an opportunity to gain deeper insights into your health, with your doctor as your trusted guide. Engaging proactively in this conversation is an empowering step towards clarifying your health status and creating a personalized plan forward.

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