Glucose 6-Phosphate Dehydrogenase (G6PD), Quantitative

Other names: G-6-PD, Quant

check icon Optimal Result: 3.8 - 14.2 Units.

Glucose 6-Phosphate Dehydrogenase, often abbreviated as G6PD (or G-6-PD), plays a critical role in the body's cellular function. This enzyme is vital for the health of all cells, but it's particularly crucial for red blood cells

G6PD helps cells manage oxidative stress. Oxidative stress occurs when there's an imbalance between the production of harmful free radicals (unstable molecules that can damage cells) and the body's ability to counteract their harmful effects through neutralization with antioxidants. G6PD aids in the production of NADPH, a molecule that plays a key role in the antioxidant defense system of cells. Specifically, NADPH helps maintain the supply of glutathione, a powerful antioxidant that protects red blood cells from damage.

The importance of G6PD comes into the spotlight when we consider its role in maintaining the integrity and functionality of red blood cells. These cells are responsible for transporting oxygen from the lungs to the rest of the body and returning carbon dioxide back to the lungs for exhalation. Because red blood cells are continuously exposed to oxygen, they are particularly susceptible to oxidative damage. G6PD ensures that red blood cells can protect themselves against such damage and thus, maintain their crucial function in oxygen transportation.

However, when there's a deficiency in G6PD, red blood cells are more vulnerable to oxidative stress, leading to a condition known as hemolytic anemia. In hemolytic anemia, red blood cells are destroyed faster than they can be made, resulting in fatigue, jaundice (a yellowing of the skin and eyes), and other symptoms due to the lack of adequate oxygen delivery to the body's tissues. This condition can be triggered by various factors, including certain foods, infections, and medications that increase oxidative stress within red blood cells.

A G6PD test, specifically a quantitative test, measures the exact amount of the enzyme present in the blood. This test is crucial for diagnosing G6PD deficiency. Knowing the precise levels of G6PD helps healthcare providers manage and advise patients with the deficiency on how to avoid triggers that may lead to hemolytic anemia. It's particularly important in regions where G6PD deficiency is common or for individuals of certain ethnic backgrounds that have a higher prevalence of this condition.

Understanding G6PD and its significance requires a look at both the cellular level, where it helps protect cells from oxidative damage, and the broader impacts, such as its role in preventing hemolytic anemia. Through the quantitative measurement of G6PD, healthcare providers can better diagnose, manage, and provide guidance to those affected by G6PD deficiency, improving their quality of life and preventing potential complications.

What does it mean if your Glucose 6-Phosphate Dehydrogenase (G6PD), Quantitative result is too high?

High levels of Glucose 6-Phosphate Dehydrogenase (G6PD) in the blood are quite unusual and typically do not indicate a specific health problem. In fact, the primary concern with G6PD usually revolves around having too little of it rather than too much. G6PD deficiency, where levels of the enzyme are lower than normal, can lead to problems like hemolytic anemia. However, if a test shows high levels of G6PD, it's often not considered clinically significant in the same way a deficiency is. That said, in rare cases, elevated G6PD levels might be seen in individuals who have an increased production of red blood cells or in certain recovery phases after a bout of hemolytic anemia, where the body is compensating by producing more red blood cells, some of which might be young cells (reticulocytes) with higher enzyme levels. Nevertheless, the interpretation of high G6PD levels should be considered within the context of the patient's overall health, symptoms, and medical history. It's important to remember that the enzyme's primary role is to protect cells from damage caused by oxidative stress, and the focus in G6PD discussions typically centers on the risks associated with not having enough of this protective enzyme.

All Your Lab Results.
One Simple Dashboard.

What does it mean if your Glucose 6-Phosphate Dehydrogenase (G6PD), Quantitative result is too low?

Low levels of Glucose 6-Phosphate Dehydrogenase (G6PD) signify a deficiency in this crucial enzyme, which can lead to a condition known as G6PD deficiency. This condition is particularly significant because G6PD plays a vital role in helping red blood cells protect themselves against oxidative damage—harm caused by free radicals, which are unstable molecules that can damage cells. Red blood cells carry oxygen throughout the body, and without enough G6PD, these cells are more vulnerable to breaking down when faced with oxidative stress. This breakdown can lead to hemolytic anemia, a state where the body doesn't have enough red blood cells to transport oxygen effectively, causing symptoms like fatigue, weakness, shortness of breath, and a yellowing of the skin and eyes known as jaundice. The triggers for this oxidative stress can be varied, including certain foods (like fava beans), infections, and some medications. Therefore, low G6PD levels are a signal that the body may not be adequately equipped to handle these oxidative challenges, leading to potential health issues that stem from the inability of red blood cells to function properly.

Does a low G6PD level mean that I have a G6PD deficiency?

Not necessarily, but a low G6PD level is a strong indicator of G6PD deficiency. The G6PD test measures the activity of the glucose-6-phosphate dehydrogenase enzyme in your blood. Typically, levels below the normal range suggest that your body may not be producing enough of the enzyme, which is the hallmark of G6PD deficiency. However, various factors can influence test results, including the testing methodology, your health status at the time of the test, and laboratory variations.

It's also important to consider that G6PD levels can fluctuate in the body, especially during or after an episode of illness, infection, or exposure to oxidative stress. Moreover, certain populations may have genetic variants of the enzyme that could affect the test's interpretation.

If your G6PD levels are found to be low, a healthcare professional would likely consider your clinical history, signs, and symptoms, along with possibly repeating the test or performing additional tests, before definitively diagnosing you with G6PD deficiency. It's a condition with a genetic basis, so a comprehensive evaluation including family history and genetic testing might be necessary for a conclusive diagnosis.

What are treatment options?

Treatment options for G6PD deficiency mainly focus on avoiding triggers that lead to oxidative stress in red blood cells, as there is no cure for the deficiency itself. This preventive approach includes steering clear of certain foods, like fava beans and other legumes, and certain drugs that can exacerbate the condition, such as certain antibiotics, aspirin, and quinine. People with G6PD deficiency should also be cautious about exposure to infections and chemicals that could trigger hemolysis (the breakdown of red blood cells). In cases where hemolytic anemia occurs, treatment might involve supportive care, such as hydration and rest, and in more severe cases, hospitalization may be necessary to provide oxygen therapy, blood transfusions, or other treatments to manage symptoms and complications. It's crucial for individuals with G6PD deficiency to have ongoing consultations with healthcare providers who can offer personalized advice and monitor their health to prevent and manage potential complications. Awareness and education about the condition are key, as understanding the triggers can significantly reduce the risk of hemolytic episodes and improve quality of life.

Laboratories

Bring All Your Lab Results Together — In One Place

We accept reports from any lab, so you can easily collect and organize all your health information in one secure spot.

lab corp logo
genova diagnostics logo
quest diagnostics logo
dutch test logo
doctors data logo
vibrant america logo
diagnostic solutions logo
zrt laboratory logo
the great plains laboratory logo
cyrex laboratories logo
spectracell logo

Pricing Table

decoration

Personal plans

$15/ month

Complete Plan

Access your lab reports, explanations, and tracking tools.

  • Import lab results from any provider
  • Track all results with visual tools
  • Customize your reference ranges
  • Export your full lab history anytime
  • Share results securely with anyone
  • Begin with first report entered
  • Cancel or upgrade anytime

$250/ once

Unlimited Account

Pay once, access everything—no monthly fees, no limits.

  • Import lab results from any provider
  • Track all results with visual tools
  • Customize your reference ranges
  • Export your full lab history anytime
  • Share results securely with anyone
  • Receive 10 reports entered for you
  • Skip the $15/month subscription — no recurring payments ever

$45/ month

Pro Monthly

Designed for professionals managing their clients' lab reports

  • Import lab results from any provider
  • Track lab results for multiple clients
  • Customize reference ranges per client
  • Export lab histories and reports
  • Begin with first report entered by us
  • Cancel or upgrade anytime

About membership

What's included in a Healthmatters membership

microscope icon Import Lab Results from Any Source

person icon See Your Health Timeline

book icon Understand What Your Results Mean

textbook icon

textbook icon Visualize Your Results

folder icon

folder icon

card icon Securely Share With Anyone You Trust

Let Your Lab Results Tell the Full Story

What Healthmatters Members Are Saying

5 stars rating

I have been using Healthmatters.io since 2021. I travel all over the world and use different doctors and health facilities. This site has allowed me to consolidate all my various test results over 14 years in one place. And every doctor that I show this to has been impressed. Because with  any health professional I talk to, I can pull up historical results in seconds. It is invaluable. Even going back to the same doctor, they usually do not have the historical results from their facility in a graph format. That has been very helpful.

Anthony

Unlimited Plan Member since 2021

5 stars rating

What fantastic service and great, easy-to-follow layouts! I love your website; it makes it so helpful to see patterns in my health data. It's truly a pleasure to use. I only wish the NHS was as organized and quick as Healthmatters.io. You've set a new standard for health tracking!

Karin

Advanced Plan Member since 2020

5 stars rating

As a PRO member and medical practitioner, Healthmatters.io has been an invaluable tool for tracking my clients' data. The layout is intuitive, making it easy to monitor trends and spot patterns over time. The ability to customize reports and charts helps me present information clearly to my clients, improving communication and outcomes. It's streamlined my workflow, saving me time and providing insights at a glance. Highly recommended for any practitioner looking for a comprehensive and user-friendly solution to track patient labs!

Paul

Healthmatters Pro Member since 2024

Use promo code to save 10% off any plan.

Frequently asked questions

Healthmatters is a personal health dashboard that helps you organize and understand your lab results. It collects and displays your medical test data from any lab in one secure, easy-to-use platform.

  • Individuals who want to track and understand their health over time.
  • Health professionals, such as doctors, nutritionists, and wellness coaches, need to manage and interpret lab data for their clients.

With a Healthmatters account, you can:

  • Upload lab reports from any lab
  • View your data in interactive graphs, tables, and timelines
  • Track trends and monitor changes over time
  • Customize your reference ranges
  • Export and share your full lab history
  • Access your results anytime, from any device

Professionals can also analyze client data more efficiently and save time managing lab reports.

Healthmatters.io personal account provides in-depth research on 4000+ biomarkers, including information and suggestions for test panels such as, but not limited to:

  • The GI Effects® Comprehensive Stool Profile,
  • GI-MAP,
  • The NutrEval FMV®,
  • The ION Profile,
  • Amino Acids Profile,
  • Dried Urine Test for Comprehensive Hormones (DUTCH),
  • Organic Acids Test,
  • Organix Comprehensive Profile,
  • Toxic Metals,
  • Complete Blood Count (CBC),
  • Metabolic panel,
  • Thyroid panel,
  • Lipid Panel,
  • Urinalysis,
  • And many, many more.

You can combine all test reports inside your Healthmatters account and keep them in one place. It gives you an excellent overview of all your health data. Once you retest, you can add new results and compare them.

If you are still determining whether Healthmatters support your lab results, the rule is that if you can test it, you can upload it to Healthmatters.

shield icon

We implement proven measures to keep your data safe.

At HealthMatters, we're committed to maintaining the security and confidentiality of your personal information. We've put industry-leading security standards in place to help protect against the loss, misuse, or alteration of the information under our control. We use procedural, physical, and electronic security methods designed to prevent unauthorized people from getting access to this information. Our internal code of conduct adds additional privacy protection. All data is backed up multiple times a day and encrypted using SSL certificates. See our Privacy Policy for more details.

gdpr compliance image hipaa compliance image