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HDL42
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Aspartate Aminotransferase (AST)mg/dL
Alanine Aminotransferase (ALT)mg/dL
Alkaline Phosphatase (ALP)mg/dL
359 U/L very high
0 from your result
mildly elevatedelevatedvery high
1normal under 46500
what this means

359 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 313 U/L over the normal ceiling of 46. That reads very high.

359 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) 359 U/L: Is That High?

Yes. 359 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 359 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.
359 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) 359 U/L Low, Normal, or High?

Gamma-Glutamyl Transferase (GGT) 359 U/L might be considered significantly elevated compared to typical reference ranges. While individual normal ranges can vary slightly, a value like 359 U/L often suggests a need for closer attention and proactive steps.

This level is much higher than what is usually seen in healthy adults. Understanding what contributes to such a reading can empower you to explore potential actions to support your well-being.

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) value of 359 U/L, an alarming nearly seven-fold increase above the normal upper limit, serves as a critical signal of significant ongoing liver stress or damage, or a pronounced obstruction in the bile ducts.

This profoundly elevated GGT often points toward substantial hepatic insult, frequently associated with considerable and chronic alcohol consumption, severe stages of non-alcoholic fatty liver disease (NASH), or crucially, a physical blockage in the bile drainage system, such as from gallstones or a tumor.

Less commonly, but still considered, certain drug toxicities or active viral hepatitis could drive GGT to this level. Further investigation is immediate and typically involves a comprehensive liver function panel (AST, ALT, ALP, bilirubin) to differentiate between hepatocellular injury and cholestasis.

Imaging studies like an abdominal ultrasound, CT scan, or even an MRCP are commonly performed next to visualize the liver, gallbladder, and bile ducts for structural abnormalities. Patients should understand that while GGT at 359 U/L doesn't directly cause symptoms, it acts as an urgent biochemical alarm.

The good news is that GGT is quite sensitive and its levels can often decrease notably and relatively quickly once the specific underlying cause is identified and effectively managed, providing a tangible marker of recovery.

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 359 against a general adult target. What 359 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) 359 U/L

Beyond specific liver issues, a Gamma-Glutamyl Transferase (GGT) of 359 U/L can be a signal for broader metabolic health concerns. This elevated reading might point to potential strain on the liver, which plays a central role in detoxifying the body and processing nutrients.

Even without overt symptoms, a persistently high GGT level can be associated with an increased interest in metabolic syndrome, a cluster of conditions that heighten the risk of serious health problems.

The World Health Organization (WHO) and other global health bodies emphasize the interconnectedness of various bodily systems, where one elevated marker can be a clue to wider patterns. Addressing underlying factors that contribute to such an elevation is a key step in safeguarding long-term vitality.

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 significantly elevated to 359 U/L, nearly eight times the upper limit of normal, signals substantial hepatic or biliary stress. This extreme elevation strongly suggests the presence of significant bile duct obstruction or inflammation, potentially due to gallstones, primary biliary cholangitis, or even drug-induced cholestasis.

Chronic high levels like this can lead to progressive liver fibrosis and cirrhosis, impairing the liver's vital detoxification and metabolic functions. Furthermore, it increases the risk of developing complications such as portal hypertension, ascites, and hepatic encephalopathy if the underlying cause remains unaddressed, impacting overall organ function and long-term survival.

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.
  • Potential for liver overwork or irritation.
  • Connection to overall metabolic health.
  • A call to investigate underlying health patterns.

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 359 U/L Mean?

The Gamma-Glutamyl Transferase (GGT) enzyme acts like a security guard at the gates of your cells, particularly in the liver. When these cells are under stress or damaged, they release more of this enzyme into the bloodstream, much like a factory sounding an alarm when there's an issue on the production line.

A reading of Gamma-Glutamyl Transferase (GGT) 359 U/L indicates that a very loud alarm might be sounding, suggesting significant activity or changes within your liver or bile ducts. This doesn't necessarily mean irreversible damage, but it does highlight that your body is working hard, and perhaps encountering some challenges.

It prompts a closer look at factors like diet, lifestyle, and overall health to understand the source of this 'alarm.' The National Institutes of Health (NIH) often highlights how blood markers reflect the body's ongoing processes, offering valuable insights into its current state of function.

An isolated GGT reading of 359 U/L, especially without markedly elevated AST or ALT, often points towards significant alcohol consumption or certain medications as primary culprits. Chronic heavy alcohol intake is a very common driver of such elevations by inducing GGT enzymes in the liver.

Alternatively, specific drugs known to cause cholestasis, like certain anticonvulsants, antibiotics (e.g., macrolides), or NSAIDs, can acutely induce a similar pattern. Less commonly, but still plausible at this level, could be early stages of non-alcoholic fatty liver disease (NAFLD) with secondary cholestasis or even a reactive elevation secondary to pancreatic issues.

Your GGT 359 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) 359 U/L

For a Gamma-Glutamyl Transferase (GGT) 359 U/L reading, lifestyle modifications beyond what you eat can be particularly impactful. Regular physical activity, for instance, helps improve metabolic health and supports liver function.

This doesn't require intense workouts; even moderate activities like brisk walking for 30 minutes most days of the week can make a difference. Managing stress is another crucial area. Chronic stress can influence various bodily systems, including those that affect liver enzymes.

Techniques such as mindfulness, meditation, or spending time in nature can help regulate stress responses. Ensuring adequate, restorative sleep, typically 7-9 hours per night for adults, also allows the body to repair and regenerate, which is vital for liver health.

The Centers for Disease Control and Prevention (CDC) consistently advocates for these fundamental pillars of health as cornerstones for overall well-being and managing various health markers.

Immediate medical evaluation is imperative for a GGT of 359 U/L. You should schedule an urgent appointment with your primary care physician or a gastroenterologist to investigate the root cause.

They will likely order a comprehensive liver panel including ALT, AST, alkaline phosphatase, and bilirubin, along with imaging such as an abdominal ultrasound to assess the liver and bile ducts for structural abnormalities or blockages.

Simultaneously, a thorough review of all medications and supplements, and a frank discussion about alcohol and lifestyle habits is crucial. Consider abstaining from alcohol and any potentially hepatotoxic over-the-counter medications while awaiting further assessment.

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) 359 U/L

Starting with dietary adjustments can be a powerful strategy when addressing a Gamma-Glutamyl Transferase (GGT) 359 U/L reading. Focusing on a balanced diet rich in whole foods helps support your liver's natural functions and overall metabolic balance.

Reducing the intake of foods high in added sugars, unhealthy fats, and highly processed ingredients is a key step. These components can put extra strain on the liver. Instead, prioritize a colorful variety of fruits, vegetables, whole grains, and lean proteins.

Consider foods known for their antioxidant properties, which help protect cells from damage. The American Heart Association (AHA) and other health organizations often recommend a similar approach for general cardiovascular and metabolic health, which indirectly benefits liver function.

  • Reduce added sugars and processed foods.
  • Increase fruits, vegetables, and whole grains.
  • Incorporate lean proteins and healthy fats.
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) 359 U/L in Men, Women, Elderly, and Kids

Gamma-Glutamyl Transferase (GGT) levels can naturally show some variation across different populations, but a reading of 359 U/L stands out as notably elevated regardless of age or gender. Generally, men tend to have slightly higher GGT levels than women, and levels can sometimes increase with age.

However, these typical physiological variations do not account for such a significantly high number. For children, any GGT elevation warrants careful review, as their normal ranges are often much lower.

In the elderly, while some mild elevation might be more common, a value of 359 U/L suggests a clear need for further exploration rather than being dismissed as an age-related change.

It emphasizes that this specific number often points to an underlying process that needs attention across all demographic groups. The Mayo Clinic often underscores the importance of interpreting lab results within the context of an individual's specific health profile, yet recognizing when a value falls significantly outside common benchmarks.

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) 359 U/L

Certain medications can influence Gamma-Glutamyl Transferase (GGT) levels, and when your reading is at 359 U/L, it becomes even more crucial to review any current prescriptions or over-the-counter drugs with a healthcare provider.

Some medications are processed by the liver, and their use can sometimes lead to an elevation in liver enzymes as a side effect. This doesn't mean you should stop taking any prescribed medication, but rather it highlights the importance of a comprehensive discussion with your doctor.

They can assess if any medications you are taking might be contributing to this elevated GGT and determine if adjustments are appropriate or if the elevation points to other underlying issues.

The World Health Organization (WHO) and other global health bodies continuously monitor the impact of medications on various physiological markers, stressing the need for careful medication management.

  • Discuss all medications with your healthcare provider.
  • Do not stop prescribed drugs without medical guidance.
  • Medication review is an important step in understanding elevated GGT.
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) 359 U/L

When your Gamma-Glutamyl Transferase (GGT) result is 359 U/L, a follow-up test is almost always recommended, but it's usually part of a broader investigative strategy. This isn't merely about confirming the number, but about understanding the cause.

Your healthcare provider will likely suggest a timeline for repeating the test, often after an initial period of lifestyle adjustments or further diagnostic evaluations. The specific timing will depend on other blood test results, your medical history, and any symptoms you might be experiencing.

The goal is to monitor trends, see if interventions are having an effect, and ensure that any underlying conditions are identified and addressed. The National Kidney Foundation (NKF) and similar organizations often highlight the importance of sequential testing to track changes and guide management plans for various health indicators.

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) 359 U/L — Frequently Asked Questions

A Gamma-Glutamyl Transferase (GGT) level of 359 U/L is a strong indicator that your liver cells or bile ducts might be under significant stress or experiencing some form of irritation.

While GGT can be elevated by various factors, this particular high reading often prompts healthcare providers to investigate further into potential liver conditions, metabolic health issues, or or other influences that could be causing such a pronounced elevation. It's a signal that warrants a comprehensive review rather than being dismissed.

While significant lifestyle changes, including dietary adjustments, regular physical activity, and stress management, can be very effective in helping to lower elevated Gamma-Glutamyl Transferase (GGT) levels, a reading of 359 U/L is quite high.

For such a pronounced elevation, it's crucial to work closely with your healthcare provider. They can help identify the root cause, guide you on the most impactful lifestyle modifications, and determine if other medical interventions or further investigations are necessary alongside your personal efforts.

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.

Following a Gamma-Glutamyl Transferase (GGT) 359 U/L result, your healthcare provider will likely recommend additional tests to pinpoint the cause of the elevation. These might include other liver function tests, such as ALT and AST, to assess specific types of liver cell damage, or alkaline phosphatase (ALP) to further investigate bile duct issues.

Imaging studies, like an ultrasound of the abdomen, might also be suggested to visualize the liver and bile ducts. Blood tests to check for viral hepatitis, autoimmune conditions, or markers related to metabolic health could also be considered, depending on your individual circumstances and medical history.

When to See a Doctor About Gamma-Glutamyl Transferase (GGT) 359 U/L

Given a Gamma-Glutamyl Transferase (GGT) reading of 359 U/L, it is highly recommended to schedule an appointment with your healthcare provider as soon as possible. This significantly elevated level often warrants a thorough medical evaluation to understand its underlying cause and to formulate a personalized plan.

Waiting to address such a high GGT reading could delay important insights into your health. Your doctor can interpret this result in the context of your overall health, medical history, and any other symptoms you might be experiencing.

They can guide you through appropriate next steps, which may include further diagnostic tests or specific lifestyle recommendations, ensuring you receive the comprehensive care needed to support your well-being.

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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

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