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HDL42
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Aspartate Aminotransferase (AST)mg/dL
Gamma-Glutamyl Transferase (GGT)mg/dL
Alkaline Phosphatase (ALP)mg/dL
104 U/L elevated
0 from your result
mildly elevatedelevatedvery high
1normal 5 to 41330
what this means

104 is elevated for ALT, 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 63 U/L over the normal ceiling of 41. That reads elevated.

104 is elevated. That is above the normal range for ALT. 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 · Alanine Aminotransferase (ALT)

Alanine Aminotransferase (ALT) 104 U/L: Is That High?

Borderline. 104 U/L is outside the normal range for ALT.

But a number alone is only half the story. Your Aspartate Aminotransferase (AST), 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 31, 2026

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YOUR NUMBERS

Normal: <44
Raised: 44-87
High: 88+

Values in U/L. Your Alanine Aminotransferase (ALT) of 104 is marked.

What they say together.

Alanine Aminotransferase (ALT) 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
34 ÷ 104 =0.3AST to ALT ratio, the De Ritis ratio. Under 1 is the usual fatty-liver pattern; above 2 points at alcohol.
62 and 1040.6GGT 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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Is Alanine Aminotransferase (ALT) 104 U/L Low, Normal, or High?

Alanine Aminotransferase (ALT) 104 U/L might be considered elevated compared to typical reference ranges. This level suggests that the cellular processes within your body, particularly those in your liver, could be under a bit more stress or activity than usual.

It’s like a consistent hum from your body's internal engine, signaling that some components may be working harder. Understanding this reading can be a first step in exploring what your body is communicating about its internal environment.

what this page cannot tell you

The AST/ALT ratio distinguishes alcoholic from non-alcoholic liver damage. Without both, the cause is unclear.

This page has not been given your AST, so that half of the picture is missing here. It is describing the average reader with Alanine Aminotransferase (ALT), not you.

Read mine against my AST →

An Alanine Aminotransferase (ALT) level of 104 U/L, a moderate but significant elevation exceeding the normal upper limit of 40 U/L, strongly suggests ongoing liver cell irritation or damage. This specific value, representing 160% above the normal range, frequently points to conditions like Non-Alcoholic Fatty Liver Disease (NAFLD), a prevalent issue often linked to metabolic factors such as obesity or insulin resistance.

Certain medications, including common over-the-counter pain relievers or even some herbal supplements, can also be a significant contributor to such an increase; less commonly, early stages of viral hepatitis or other metabolic disorders might present in this range.

To investigate, your doctor will likely initiate a comprehensive review of your medical history and current medications, followed by specific diagnostic tests, typically including a liver ultrasound to assess for fatty changes or other structural abnormalities, and additional blood work to screen for viral hepatitis B and C, iron overload, or other less common liver conditions.

A vital detail for patients is that an ALT of 104 U/L often presents without any noticeable symptoms, making this lab result a critical early warning; identifying the root cause is paramount, as timely interventions—from lifestyle modifications to specific medical treatments—can effectively prevent further liver damage and improve long-term health.

The liver and Alanine Aminotransferase (ALT) LIVER Produces Alanine Aminotransferase (ALT) Blood supply Bile output Elevated Alanine Aminotransferase (ALT) may indicate liver cell damage or stress
for your numbersThe section below is written for 104 against a general adult target. What 104 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 Alanine Aminotransferase (ALT) 104 U/L

Even a moderately elevated Alanine Aminotransferase (ALT) 104 U/L level, while not immediately alarming, can be a subtle whisper from your body about potential underlying strain on your metabolic systems.

This elevation may hint at ongoing cellular stress or conditions that cause a mild, persistent release of this enzyme from within cells. Over time, consistent cellular stress can subtly impact the body's overall vitality and the resilience of various organs, especially the liver, which plays a central role in countless bodily functions.

It's not about immediate danger, but rather an invitation to understand and potentially support your body's long-term health. The National Institutes of Health (NIH) emphasizes the importance of understanding metabolic health for overall well-being.

what this page cannot tell you

ALT elevated with normal ALP suggests liver cell damage. The reverse points to bile duct or bone issues. Very different problems.

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 Alanine Aminotransferase (ALT), not you.

Read mine against my ALP →

An alanine aminotransferase (ALT) level of 104 U/L, significantly above the typical normal range of 5-40 U/L, suggests ongoing liver cell inflammation or damage. At this elevated level, the liver's capacity to perform its vital metabolic functions, such as detoxification and protein synthesis, may be subtly compromised, increasing the risk of developing more serious conditions over time.

While not immediately critical, sustained inflammation at this magnitude can contribute to the progression of fibrosis (scarring) within the liver, potentially leading to non-alcoholic steatohepatitis (NASH) or worsening existing chronic liver diseases, ultimately impacting long-term liver health and function.

for your numbersThe risk below is the average one for this ALT. 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.

Here are a few areas of focus related to sustained cellular health:

  • **Metabolic Balance:** Support healthy processing of nutrients and waste.
  • **Cellular Resilience:** Help cells manage daily stresses and function optimally.

This part is about the number

Everything below explains what raises Alanine Aminotransferase (ALT). 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 Alanine Aminotransferase (ALT) Level of 104 U/L Mean?

To truly understand Alanine Aminotransferase (ALT) 104 U/L, let's explore what ALT is and how it functions within your body's intricate systems. ALT is an enzyme, a type of protein that helps speed up specific chemical reactions.

Think of your body as a bustling factory, and each cell as a small, specialized workshop within that factory. ALT is like a specific tool or a vital chemical ingredient kept securely inside the liver cells’ workshop, where it plays a crucial role in converting food into energy.

It helps process amino acids, the building blocks of proteins, which is a fundamental part of metabolism.

An ALT result of 104 U/L often points towards non-alcoholic fatty liver disease (NAFLD) as a primary suspect, frequently driven by metabolic factors such as obesity, insulin resistance, and elevated triglycerides, common in individuals with suboptimal diets high in processed foods and sugars.

Certain medications, particularly statins or some antibiotics, can also trigger a moderate rise in ALT, though they are less common as sole causes at this specific value unless other risk factors are present.

Less frequently, this level could indicate early viral hepatitis or autoimmune liver conditions, but these typically present with higher elevations or different associated lab findings.

Normally, very little ALT escapes these liver cell workshops and enters the general factory floor, which we can compare to your bloodstream. When your Alanine Aminotransferase (ALT) level is 104 U/L, it suggests that a slightly larger amount of this 'tool' or 'ingredient' has found its way out of the liver cells and into the bloodstream.

It's as if a door to the workshop is slightly ajar, or the work inside is so intense and busy that a small amount of the essential internal fluid is seeping out.

This doesn't necessarily mean a major breakdown, but it is a signal that something inside the liver cells might be working harder than usual or experiencing a subtle, ongoing irritation.

The liver is a powerhouse organ, essential for filtering toxins, processing nutrients, and producing vital substances, so any signal from its cells merits attention to ensure it continues to operate smoothly and efficiently.

Your blood test has multiple results that affect each other. ALT 104 alone doesn't tell you the full picture. Your other markers do.

Your ALT 104 means different things depending on your other markers

ALT + AST
The AST/ALT ratio distinguishes alcoholic from non-alcoholic liver damage. Without both, the cause is unclear.
ALT + ALP
ALT elevated with normal ALP suggests liver cell damage. The reverse points to bile duct or bone issues. Very different problems.
ALT + Total Bilirubin
Elevated ALT with high bilirubin means the liver damage is severe enough to impair bile processing.
The part one number cannot show
Your ALT of 104 means different things depending on its companion markers.
Your full panel shows which story is yours.
See what is driving yours →

Lifestyle Changes for Alanine Aminotransferase (ALT) 104 U/L

Making thoughtful lifestyle choices can significantly support your body's internal balance and cellular well-being, especially when your Alanine Aminotransferase (ALT) is 104 U/L. These choices contribute to overall organ health, including the liver, which is constantly working to keep you healthy.

Engaging in regular physical activity is like giving your entire internal system a gentle tune-up. It helps improve circulation, supports metabolic function, and can aid in reducing stress on various organs.

The Centers for Disease Control and Prevention (CDC) consistently highlights the broad benefits of staying active for health maintenance. Aim for activities you enjoy, whether it's brisk walking, swimming, cycling, or dancing, to make it a sustainable habit.

Given an ALT level of 104 U/L, the immediate next step is a follow-up ALT test in 4-6 weeks, ideally after implementing targeted lifestyle changes. Focus on a significant reduction in processed carbohydrates and saturated fats, alongside a gradual increase in physical activity to at least 150 minutes per week.

It is prudent to review all current medications, including over-the-counter supplements, with a healthcare provider to identify potential contributors. If the elevation persists or other concerning symptoms arise, referral to a gastroenterologist or hepatologist for further investigation, potentially including abdominal ultrasound or viral hepatitis screening, is recommended.

for your numbersThis section lists every reason ALT 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.

Prioritizing restful sleep is another cornerstone of cellular repair and rejuvenation. During sleep, your body performs essential maintenance tasks, allowing cells to recover and processes to reset. Insufficient sleep can place added stress on your body, potentially impacting your internal equilibrium.

Similarly, effective stress management techniques are vital. Chronic stress can have widespread effects on your body's systems, and finding ways to relax, such as meditation, deep breathing exercises, spending time in nature, or engaging in hobbies, can profoundly support your internal resilience.

These proactive steps are about fostering a supportive internal environment, helping your body to manage its processes more efficiently and maintain its cellular integrity.

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 Alanine Aminotransferase (ALT) 104 U/L

When your Alanine Aminotransferase (ALT) is 104 U/L, thinking about your dietary choices can be a proactive way to support your liver and overall metabolic health. Nutrition plays a fundamental role in how your body functions, processes nutrients, and manages waste, all of which impact your cellular environment.

Focusing on a balanced intake of whole foods can provide your body with the essential building blocks and protective compounds it needs. Eating plenty of fruits, vegetables, and whole grains supplies vital fiber, vitamins, and antioxidants that help support your body’s natural detoxification pathways and reduce cellular stress.

For example, foods rich in soluble fiber, like oats, beans, and apples, can aid in digestive health, which in turn supports the liver's role in processing and eliminating waste.

Conversely, moderating your intake of certain foods can also be beneficial. Limiting highly processed foods, sugary drinks, and excessive amounts of unhealthy fats can help reduce the workload on your liver and promote a more balanced internal environment.

The World Health Organization (WHO) consistently advocates for dietary patterns that prioritize unprocessed foods for long-term health. Consider integrating foods known to support liver function, while also being mindful of portion sizes and overall calorie intake to maintain a healthy weight.

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.

Here are some dietary considerations to explore:

  • **Increase intake of vibrant, plant-based foods:** Focus on a variety of colorful fruits, vegetables, and whole grains.
  • **Prioritize lean proteins and healthy fats:** Choose sources like fish, poultry, nuts, seeds, and olive oil.
  • **Limit added sugars and highly processed items:** These can place extra demands on your liver's metabolic processes.
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.

Alanine Aminotransferase (ALT) 104 U/L in Men, Women, Elderly, and Kids

The Alanine Aminotransferase (ALT) 104 U/L level can mean slightly different things depending on individual factors such as age and biological sex. It's important to remember that 'normal' ranges for ALT can vary, not just between different laboratories, but also across different populations due to inherent physiological differences.

In general, men often have slightly higher ALT levels than women due to differences in muscle mass and metabolism. However, a level of 104 U/L is generally considered elevated for both men and women, prompting further investigation.

For example, factors like menstrual cycles or hormonal changes in women might subtly influence liver enzyme levels, but usually not to this degree.

In older adults, ALT levels can sometimes be slightly lower or fluctuate due to changes in liver mass and function that naturally occur with aging, so an Alanine Aminotransferase (ALT) 104 U/L level in an older individual might warrant particular attention.

Children typically have different reference ranges for ALT, often with higher upper limits, reflecting their rapid growth and metabolic activity. However, a value of 104 U/L in a child would generally be considered quite elevated and would certainly prompt a healthcare provider to look for underlying causes.

The American Liver Foundation emphasizes that individual circumstances are always key to interpreting liver enzyme results, and that a single number is just one piece of a larger health picture.

These variations underscore why it’s crucial for a healthcare professional to interpret your specific result within the context of your complete health profile.

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 Alanine Aminotransferase (ALT) 104 U/L

When your Alanine Aminotransferase (ALT) is 104 U/L, it's worth considering that certain medications can influence liver enzyme levels. The liver is your body's primary processing plant for many substances, including both prescription drugs and over-the-counter (OTC) medicines.

When the liver metabolizes these compounds, it can sometimes lead to a temporary or sustained increase in ALT as a side effect. This isn't always a cause for alarm, but it is an important factor for your healthcare provider to consider when interpreting your Alanine Aminotransferase (ALT) 104 U/L reading.

Numerous classes of medications are known to potentially affect liver enzymes. These can include certain cholesterol-lowering drugs (statins), some antibiotics, pain relievers like acetaminophen (especially in high doses or with alcohol), anti-inflammatory medications, and even certain herbal supplements.

The U.S. National Library of Medicine often highlights potential drug-induced liver injury in its comprehensive drug information. It's crucial not to stop or change any prescribed medication without first consulting your doctor, as they can assess the balance of benefits and risks.

Discussing all medications and supplements you are currently taking with your healthcare provider is a vital step in understanding the complete picture of your health.

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.

Potential medication influences to discuss with your doctor:

  • **Prescription Medications:** Any ongoing treatments or recently started drugs.
  • **Over-the-Counter Products:** Including pain relievers, cold remedies, and allergy medications.
  • **Herbal Supplements and Vitamins:** Some can impact liver function.
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 Alanine Aminotransferase (ALT) 104 U/L

Understanding when to repeat a test for Alanine Aminotransferase (ALT) 104 U/L is an important part of managing your health. A single elevated reading, like 104 U/L, provides a snapshot of your body's internal state at one specific moment.

However, health is dynamic, and various temporary factors can influence enzyme levels, from a strenuous workout to a recent viral infection. Your healthcare provider will likely recommend a follow-up test, often within a few weeks to a few months, to see if the Alanine Aminotransferase (ALT) 104 U/L level is a temporary fluctuation or a more persistent elevation.

Repeating the test helps your doctor observe any trends. Is the level stabilizing, continuing to rise, or returning to a more typical range? This information is critical for determining the next steps.

For instance, if the level consistently remains at or around 104 U/L after a repeat test, it may suggest a need for more in-depth exploration into potential underlying causes. Conversely, if it drops significantly, it might indicate that the initial elevation was transient.

The Mayo Clinic emphasizes that laboratory test results are most meaningful when interpreted in the context of a patient's overall health history, physical examination, and other diagnostic findings. Monitoring ALT over time provides a clearer narrative about your body's ongoing processes and helps your healthcare team tailor appropriate recommendations.

Alanine Aminotransferase (ALT) 104 U/L — Frequently Asked Questions

When your Alanine Aminotransferase (ALT) is 104 U/L, focusing on balanced lifestyle choices is key. This includes regular, moderate physical activity to support metabolic health, prioritizing 7-9 hours of quality sleep each night for cellular repair, and actively managing stress through techniques like mindfulness or hobbies.

These habits collectively support your body's internal systems, helping to reduce stress on your liver and promote overall well-being. Always discuss specific lifestyle adjustments with a healthcare professional.

Yes, certain dietary choices can potentially put more strain on your liver and influence your Alanine Aminotransferase (ALT) 104 U/L level. Foods high in added sugars, saturated fats, and highly processed ingredients can contribute to metabolic stress.

For example, excessive intake of sugary beverages or deep-fried foods can increase the workload on your liver. Conversely, a diet rich in whole grains, lean proteins, fruits, and vegetables can help support liver health and overall bodily functions.

Always consult with a healthcare professional or a registered dietitian for personalized dietary advice.

If your Alanine Aminotransferase (ALT) is 104 U/L, your healthcare provider may recommend additional tests to gain a clearer understanding of the underlying causes. These could include other liver function tests (like AST, alkaline phosphatase, bilirubin), which offer a broader view of liver health.

Depending on your overall health profile, they might also suggest tests for conditions like metabolic syndrome, viral hepatitis, or iron overload. Imaging tests, such as an ultrasound of the liver, might also be considered to visualize the organ directly.

These follow-up tests help create a comprehensive picture, allowing your doctor to make informed recommendations tailored to your specific situation.

When to See a Doctor About Alanine Aminotransferase (ALT) 104 U/L

Discovering your Alanine Aminotransferase (ALT) 104 U/L level is an important piece of information, and the most crucial step is to discuss this result with your healthcare provider. While this content aims to be educational and informative, it cannot replace the personalized guidance of a medical professional who understands your complete health history.

Your doctor can interpret your Alanine Aminotransferase (ALT) 104 U/L result in the context of all your other test results, your symptoms (if any), your lifestyle, and any medications you are taking.

They can help you understand what this specific level means for your unique situation, explain potential causes for the elevation, and discuss whether further investigations or lifestyle adjustments are appropriate.

Remember, health is a collaborative journey, and your doctor is your partner in navigating test results and making informed decisions about your well-being. Promptly scheduling an appointment to review your results ensures you receive the accurate and personalized care you deserve.

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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.

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