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What Does Hba1c Blood Test Measure?

Hemoglobin A1c Test (hba1c)

Hemoglobin A1c Test (hba1c)

Hemoglobin A1c, often abbreviated HbA1c, is a form of hemoglobin (a blood pigment that carries oxygen) that is bound to glucose. The blood test for HbA1c level is routinely performed in people with type 1 and type 2 diabetes mellitus. Blood HbA1c levels are reflective of how well diabetes is controlled. The normal range for level for hemoglobin A1c is less than 6%. HbA1c also is known as glycosylated, or glycated hemoglobin. HbA1c levels are reflective of blood glucose levels over the past six to eight weeks and do not reflect daily ups and downs of blood glucose. High HbA1c levels indicate poorer control of diabetes than levels in the normal range. HbA1c is typically measured to determine how well a type 1 or type 2 diabetes treatment plan (including medications, exercise, or dietary changes) is working. How Is Hemoglobin A1c Measured? The test for hemoglobin A1c depends on the chemical (electrical) charge on the molecule of HbA1c, which differs from the charges on the other components of hemoglobin. The molecule of HbA1c also differs in size from the other components. HbA1c may be separated by charge and size from the other hemoglobin A components in blood by a procedure called high pressure (or performance) liquid chromatography (HPLC). HPLC separates mixtures (for example, blood) into its various components by adding the mixtures to special liquids and passing them under pressure through columns filled with a material that separates the mixture into its different component molecules. HbA1c testing is done on a blood sample. Because HbA1c is not affected by short-term fluctuations in blood glucose concentrations, for example, due to meals, blood can be drawn for HbA1c testing without regard to when food was eaten. Fasting for the blood test is not necessary. What Are Continue reading >>

A1c Test

A1c Test

Print Overview The A1C test is a common blood test used to diagnose type 1 and type 2 diabetes and then to gauge how well you're managing your diabetes. The A1C test goes by many other names, including glycated hemoglobin, glycosylated hemoglobin, hemoglobin A1C and HbA1c. The A1C test result reflects your average blood sugar level for the past two to three months. Specifically, the A1C test measures what percentage of your hemoglobin — a protein in red blood cells that carries oxygen — is coated with sugar (glycated). The higher your A1C level, the poorer your blood sugar control and the higher your risk of diabetes complications. Why it's done An international committee of experts from the American Diabetes Association, the European Association for the Study of Diabetes and the International Diabetes Federation, recommend that the A1C test be the primary test used to diagnose prediabetes, type 1 diabetes and type 2 diabetes. After a diabetes diagnosis, the A1C test is used to monitor your diabetes treatment plan. Since the A1C test measures your average blood sugar level for the past two to three months instead of your blood sugar level at a specific point in time, it is a better reflection of how well your diabetes treatment plan is working overall. Your doctor will likely use the A1C test when you're first diagnosed with diabetes. This also helps establish a baseline A1C level. The test may then need to be repeated while you're learning to control your blood sugar. Later, how often you need the A1C test depends on the type of diabetes you have, your treatment plan and how well you're managing your blood sugar. For example, the A1C test may be recommended: Once every year if you have prediabetes, which indicates a high risk of developing diabetes Twice a year if Continue reading >>

Hba1c Test For Diabetes

Hba1c Test For Diabetes

Tweet The HbA1c test, also known as the haemoglobin A1c or glycated haemoglobin test, is an important blood test that gives a good indication of how well your diabetes is being controlled. Together with the fasting plasma glucose test, the HbA1c test is one of the main ways in which type 2 diabetes is diagnosed. HbA1c tests are not the primary diagnostic test for type 1 diabetes but may sometimes be used together with other tests. For HbA1c guidelines for monitoring diabetes control, see our HbA1c targets page. HbA1c testing in diagnosing diabetes The World Health Organisation (WHO) suggests the following diagnostic guidelines for diabetes: HbA1c below 42 mmol/mol (6.0%): Non-diabetic HbA1c between 42 and 47 mmol/mol (6.0–6.4%): Impaired glucose regulation (IGR) or Prediabetes HbA1c of 48 mmol/mol (6.5%) or over: Type 2 diabetes If your HbA1c test returns a reading of 6.0–6.4%, that indicates prediabetes. Your doctor should work with you to suggest appropriate lifestyle changes that could reduce your risk of developing type 2 diabetes. HbA1c is not used to diagnose gestational diabetes in the UK. Instead, an oral glucose tolerance test is used. A random blood glucose test will usually be used to diagnose type 1 diabetes. However, in some cases, an HbA1c test may be used to support a diagnosis of type 1 diabetes. People with diabetes who reduced their HbA1c by less than 1% can cut their risk of dying within 5 years by 50%, according to Swedish research presented at the annual meeting of the European Association for the Study of Diabetes, Sept. 2012 (EASD). How is HbA1c tested? To measure a person's HbA1c level, a blood sample is taken from the patient's arm, and used to produce a reading. In some cases, such as with HbA1c testing for children, a single droplet of blo Continue reading >>

Hemoglobin A1c Test (hba1c Test)

Hemoglobin A1c Test (hba1c Test)

The hemoglobin A1C test, also known as the HbA1c test, glycated hemoglobin test, or glycohemoglobin, is a blood test typically used to diagnose diabetes or evaluate diabetes treatment. This test measures the glucose in your blood over the last 2-3 months. Hemoglobin is found in red blood cells and helps to carry oxygen throughout the body. When blood sugar is too high, sugar builds up in the blood and combines with hemoglobin becoming glycated. The hemoglobin A1C test (hbA1c test) measures the average level of glucose in the blood. The results of this test can determine if a person has diabetes or how well a person with diabetes is controlling their blood sugar. An easy, affordable Hemoglobin A1C test (Hba1c test) At Request a Test, we have access to labs all over the country. We use the same testing facilities that are employed by many hospitals and physicians for their testing needs. All of our labs operate on a walk in basis so there is no need to schedule appointments. Ordering your hemoglobin A1C test (hba1c test) with us eliminates the need to go through your doctor or insurance. Our hemoglobin A1C test (hba1c test) is always reasonably priced with no hidden fees. Types of Hemoglobin A1C tests (Hba1c tests) The hemoglobin A1C with eAG test in conducted with a blood sample and typically sees results the next business day. This test includes a measurement for estimated average glucose (eag). The hemoglobin A1C test is also included in our diabetes panel which includes a glucose test and our comprehensive plus heart health panel. For pricing and more information about these and other tests available in our diabetes testing category, please go to Symptoms of high blood sugar High blood sugar can be an indicator of diabetes or an increased risk for diabetes. For those Continue reading >>

Testing For Diabetes: What Your Hba1c Levels Mean

Testing For Diabetes: What Your Hba1c Levels Mean

Testing for diabetes: what your HbA1c levels mean The test for Type 2 diabetes is quick and easyCredit:Tom Merton The basic tests to diagnose Type 2 diabetes are effective and very fast. However, often the illness is first diagnosed by chance, when a patient is being tested for something else. That was certainly true for 48-year-old Stacy Evans, a father of three, who works in sales in Milton Keynes. Evans, whose partner Debbie Barks, 51, works for the NHS, says: In 2012, I went to register with a new GP and had a urine test as part of the process. I didnt know anything about type 2 diabetes so wasnt then aware of having any symptoms. But my blood sugar readings were off the scale, apparently. "As I learnt about the disease, I realised that not only was I at high risk, as I was massively overweight and unfit, but also I was exhibiting classic symptoms. I needed to go to the toilet three or four times a night, for example. Other symptoms include a constant thirst, weight loss and excessive tiredness. Stacy Evans, 48, was diagnosed with Type 2 diabetes in 2012Credit:Rii Schroer/The Telegraph Evans was so unaware of what type 2 diabetes meant he wasnt even shocked. I had no idea how serious it could be. He later learnt that the condition which occurs when the body is unable to produce enough insulin or unable to use what insulin it does produce to control blood sugar levels can have serious consequences, including organ damage and coma. Healthy blood sugar levels from a diabetes test should be between 4.0 to 6.0 mmol/L (millimoles per litre) when fasting or up to 7.8 mmol/L two hours after eating a meal, according to the NHS. But when doctors took Evanss blood, they calculated his blood sugar levels at 17mmol/l. Evans was immediately put on to medication that makes the bo Continue reading >>

Test Id: Hba1c Hemoglobin A1c, Blood

Test Id: Hba1c Hemoglobin A1c, Blood

Evaluating the long-term control of blood glucose concentrations in diabetic patients Diagnosing diabetes Identifying patients at increased risk for diabetes (prediabetes) Diabetes mellitus is a chronic disorder associated with disturbances in carbohydrate, fat, and protein metabolism characterized by hyperglycemia. It is one of the most prevalent diseases, affecting approximately 24 million individuals in the United States. Long-term treatment of the disease emphasizes control of blood glucose levels to prevent the acute complications of ketosis and hyperglycemia. In addition, long-term complications such as retinopathy, neuropathy, nephropathy, and cardiovascular disease can be minimized if blood glucose levels are effectively controlled. Hemoglobin A1c (HbA1c) is a result of the nonenzymatic attachment of a hexose molecule to the N-terminal amino acid of the hemoglobin molecule. The attachment of the hexose molecule occurs continually over the entire life span of the erythrocyte and is dependent on blood glucose concentration and the duration of exposure of the erythrocyte to blood glucose. Therefore, the HbA1c level reflects the mean glucose concentration over the previous period (approximately 8-12 weeks, depending on the individual) and provides a much better indication of long-term glycemic control than blood and urinary glucose determinations. Diabetic patients with very high blood concentrations of glucose have from 2 to 3 times more HbA1c than normal individuals. Diagnosis of diabetes includes 1 of the following: -Fasting plasma glucose > or =126 mg/dL -Symptoms of hyperglycemia and random plasma glucose >or =200 mg/dL -Two-hour glucose > or =200 mg/dL during oral glucose tolerance test unless there is unequivocal hyperglycemia, confirmatory testing should be Continue reading >>

What Is The Hba1c?

What Is The Hba1c?

In the blood stream are the red blood cells, which are made of a molecule, haemoglobin. Glucose sticks to the haemoglobin to make a 'glycosylated haemoglobin' molecule, called haemoglobin A1C or HbA1C. The more glucose in the blood, the more haemoglobin A1C or HbA1C will be present in the blood. Red cells live for 8 - 12 weeks before they are replaced. By measuring the HbA1C it can tell you how high your blood glucose has been on average over the last 8-12 weeks. A normal non-diabetic HbA1C is <36mmol/mol (5.5%). In diabetes about 48mmol/mol (6.5%) is good. The HbA1C test is currently one of the best ways to check diabetes is under control; it is the blood test that gets sent to the laboratory, and it is done on the spot in some hospital clinics. Remember, the HbA1C is not the same as the glucose level. Coincidentally the glucose/HbA1C numbers for good control are rather similar though in the UK and Europe: glucose levels averaging 6.5 mmols/l before meals is equivalent to 60mmol/mol (7%). HbA1C (glucose levels are higher after meals) (see below). Two examples Below are two examples of people who have their HbA1c measured. One is poorly controlled, one well controlled. When should the HbA1C be measured? Measure HbA1c every 3 months if trying to improve every 6 months if very stable If your diabetes is controlled (basically an HbA1C lower than 53mmol/mol ( 7% ), every 3-6 months. But if the last reading is above 53mmol/mol (7%) and you are in reasonable health, you will need to achieve a lower level if possible, and the next reading should be sooner. This assumes you will make changes to improve your control. There is no point in having your HbA1c measured if you are not trying to achieve good control of your diabetes, although the level does predict the likelihood of co Continue reading >>

What Is Hba1c And A Normal Hba1c Range? Explained In Plain English

What Is Hba1c And A Normal Hba1c Range? Explained In Plain English

Those with type 1 or type 2 diabetes may have seen it before, but what is a normal HbA1c range? This article explores what your HbA1c reading should be and how you can improve it. What is HbA1c (Hemoglobin A1c)? HbA1c is a marker that can determine your average blood sugar (glucose) levels over the previous 3-months (1). That means it can be used to assess the quality of your diabetes management, as well as to diagnose pre-diabetes and diabetes. Sometimes HbA1c is also called glycated hemoglobin, hemoglobin A1c or just A1c. The ‘Hb’ refers to hemoglobin, a part of red blood cells that carry oxygen throughout your body. ‘A1c’ refers to a minor part of hemoglobin that sugar molecules attach to. The amount of sugar attached is directly proportional to the amount of sugar in your blood at a given time, so this reading is used to accurately reflect average blood sugar levels. If you’ve had high blood sugar levels in the past month or so, your HbA1c levels will be higher too. Summary: HbA1c is a marker that reflects your average blood sugar levels in the previous 3 months. It’s also called glycated hemoglobin, hemoglobin A1c or just A1c. Normal HbA1c Range The HbA1c test is measured as either a percentage or in mmol/mol. Below I’ve listed what is considered a normal HbA1c range, and what values would be considered outside of normal (pre-diabetic or diabetic): HbA1c range for normal (non-diabetic) adults: Below 6.0%, or below 42 mmol/mol HbA1c range for pre-diabetes: 6.0% to 6.4%, or 42 to 47 mmol/mol HbA1c range for diabetes: 6.5% or above, or 48 mmol/mol or above. Target ranges are also shown below in this table: HbA1c % mmol/mol Normal Below 6.0% Below 42 mmol/mol Pre-diabetes 6.0% to 6.4% 42 to 47 mmol/mol Diabetes 6.5% or above 48 mmol/mol or above Normal Hb Continue reading >>

Glycated Hemoglobin

Glycated Hemoglobin

Glycated hemoglobin (hemoglobin A1c, HbA1c, A1C, or Hb1c; sometimes also referred to as being Hb1c or HGBA1C) is a form of hemoglobin that is measured primarily to identify the three-month average plasma glucose concentration. The test is limited to a three-month average because the lifespan of a red blood cell is four months (120 days). However, since RBCs do not all undergo lysis at the same time, HbA1C is taken as a limited measure of 3 months. It is formed in a non-enzymatic glycation pathway by hemoglobin's exposure to plasma glucose. HbA1c is a measure of the beta-N-1-deoxy fructosyl component of hemoglobin.[1] The origin of the naming derives from Hemoglobin type A being separated on cation exchange chromatography. The first fraction to separate, probably considered to be pure Hemoglobin A, was designated HbA0, the following fractions were designated HbA1a, HbA1b, and HbA1c, respective of their order of elution. There have subsequently been many more sub fractions as separation techniques have improved.[2] Normal levels of glucose produce a normal amount of glycated hemoglobin. As the average amount of plasma glucose increases, the fraction of glycated hemoglobin increases in a predictable way. This serves as a marker for average blood glucose levels over the previous three months before the measurement as this is the lifespan of red blood cells. In diabetes mellitus, higher amounts of glycated hemoglobin, indicating poorer control of blood glucose levels, have been associated with cardiovascular disease, nephropathy, neuropathy, and retinopathy. A trial on a group of patients with Type 1 diabetes found that monitoring by caregivers of HbA1c led to changes in diabetes treatment and improvement of metabolic control compared to monitoring only of blood or urine glu Continue reading >>

Guide To Hba1c

Guide To Hba1c

Tweet HbA1c is a term commonly used in relation to diabetes. This guide explains what HbA1c is, how it differs from blood glucose levels and how it's used for diagnosing diabetes. What is HbA1c? The term HbA1c refers to glycated haemoglobin. It develops when haemoglobin, a protein within red blood cells that carries oxygen throughout your body, joins with glucose in the blood, becoming 'glycated'. By measuring glycated haemoglobin (HbA1c), clinicians are able to get an overall picture of what our average blood sugar levels have been over a period of weeks/months. For people with diabetes this is important as the higher the HbA1c, the greater the risk of developing diabetes-related complications. HbA1c is also referred to as haemoglobin A1c or simply A1c. HbA1c refers to glycated haemoglobin (A1c), which identifies average plasma glucose concentration. How does HBA1c return an accurate average measurement of average blood glucose? When the body processes sugar, glucose in the bloodstream naturally attaches to haemoglobin. The amount of glucose that combines with this protein is directly proportional to the total amount of sugar that is in your system at that time. Tweet Type 2 diabetes mellitus is a metabolic disorder that results in hyperglycemia (high blood glucose levels) due to the body: Being ineffective at using the insulin it has produced; also known as insulin resistance and/or Being unable to produce enough insulin Type 2 diabetes is characterised by the body being unable to metabolise glucose (a simple sugar). This leads to high levels of blood glucose which over time may damage the organs of the body. From this, it can be understood that for someone with diabetes something that is food for ordinary people can become a sort of metabolic poison. This is why peop Continue reading >>

Hba1c Blood Glucose Test For Diabetes

Hba1c Blood Glucose Test For Diabetes

HbA1c is an important average measure of how well a person's diabetes is being controlled over the previous 2 to 3 months. HbA1c (haemoglobin A1c blood test) is also known as the glycated haemoglobin test or glycohaemoglobin. A sample of blood is taken from the arm at a clinic or GP surgery and sent off to a lab for analysis. The results typically take a day or so to come back. The results will show how stable your glucose levels have been and how well a treatment plan is working. After the results are back, doctors may suggest changes in diabetes medication or dosage. This test is arranged at least once a year and is recommended in addition to home blood glucose monitoring. Haemoglobin is a substance within red blood cells that carries oxygen throughout your body. When your diabetes is not controlled, which means that your blood sugar is too high, sugar builds up in your blood and combines with your haemoglobin to become "glycated". The average amount of sugar in your blood can be determined by measuring your HbA1c level. If your glucose levels have been high over recent weeks, your HbA1c test will be higher. What is a normal HbA1c test? A diabetes team will set an individual HbA1c target for each patient. HbA1c targets are often set below 48 mmol/mol (6.5%) to help reduce the risk of complications, including nerve damage, eye problems, kidney disease and heart disease. People who are at risk of severe hypoglycaemia may be set a target of less than 59 mmol/mol (7.5%). The HbA1c test can be affected by conditions affecting haemoglobin, such as anaemia. Results can also be affected by supplements such as vitamins C and E and high cholesterol levels. Kidney disease and liver disease may also affect the result of an HbA1c test. Continue reading >>

The A1c Test & Diabetes

The A1c Test & Diabetes

What is the A1C test? The A1C test is a blood test that provides information about a person’s average levels of blood glucose, also called blood sugar, over the past 3 months. The A1C test is sometimes called the hemoglobin A1c, HbA1c, or glycohemoglobin test. The A1C test is the primary test used for diabetes management and diabetes research. How does the A1C test work? The A1C test is based on the attachment of glucose to hemoglobin, the protein in red blood cells that carries oxygen. In the body, red blood cells are constantly forming and dying, but typically they live for about 3 months. Thus, the A1C test reflects the average of a person’s blood glucose levels over the past 3 months. The A1C test result is reported as a percentage. The higher the percentage, the higher a person’s blood glucose levels have been. A normal A1C level is below 5.7 percent. Can the A1C test be used to diagnose type 2 diabetes and prediabetes? Yes. In 2009, an international expert committee recommended the A1C test as one of the tests available to help diagnose type 2 diabetes and prediabetes.1 Previously, only the traditional blood glucose tests were used to diagnose diabetes and prediabetes. Because the A1C test does not require fasting and blood can be drawn for the test at any time of day, experts are hoping its convenience will allow more people to get tested—thus, decreasing the number of people with undiagnosed diabetes. However, some medical organizations continue to recommend using blood glucose tests for diagnosis. Why should a person be tested for diabetes? Testing is especially important because early in the disease diabetes has no symptoms. Although no test is perfect, the A1C and blood glucose tests are the best tools available to diagnose diabetes—a serious and li Continue reading >>

Tests For Blood Sugar (glucose) And Hba1c

Tests For Blood Sugar (glucose) And Hba1c

Blood sugar (glucose) measurements are used to diagnose diabetes. They are also used to monitor glucose control for those people who are already known to have diabetes. Play VideoPlayMute0:00/0:00Loaded: 0%Progress: 0%Stream TypeLIVE0:00Playback Rate1xChapters Chapters Descriptions descriptions off, selected Subtitles undefined settings, opens undefined settings dialog captions and subtitles off, selected Audio TrackFullscreen This is a modal window. Beginning of dialog window. Escape will cancel and close the window. TextColorWhiteBlackRedGreenBlueYellowMagentaCyanTransparencyOpaqueSemi-TransparentBackgroundColorBlackWhiteRedGreenBlueYellowMagentaCyanTransparencyOpaqueSemi-TransparentTransparentWindowColorBlackWhiteRedGreenBlueYellowMagentaCyanTransparencyTransparentSemi-TransparentOpaqueFont Size50%75%100%125%150%175%200%300%400%Text Edge StyleNoneRaisedDepressedUniformDropshadowFont FamilyProportional Sans-SerifMonospace Sans-SerifProportional SerifMonospace SerifCasualScriptSmall CapsReset restore all settings to the default valuesDoneClose Modal Dialog End of dialog window. If your glucose level remains high then you have diabetes. If the level goes too low then it is called hypoglycaemia. The main tests for measuring the amount of glucose in the blood are: Random blood glucose level. Fasting blood glucose level. The HbA1c blood test. Oral glucose tolerance test. Capillary blood glucose (home monitoring). Urine test for blood sugar (glucose). Blood tests for blood sugar (glucose) Random blood glucose level A sample of blood taken at any time can be a useful test if diabetes is suspected. A level of 11.1 mmol/L or more in the blood sample indicates that you have diabetes. A fasting blood glucose test may be done to confirm the diagnosis. Fasting blood glucose level Continue reading >>

Hba1c Explained - Type 1 Diabetes Network

Hba1c Explained - Type 1 Diabetes Network

Forum for parents to discuss caring for children with T1 Sign up for our free e-learning for health professionals Chat to others with T1D on a range of topics And an extra special thanks to @CarlyWanderlust for coming along to share her experiences with us! #type1backpacking about 3 years ago Looks like it's time for @CarlyWanderlust to go back to experiencing Colombia! Thanks to all for your questions #type1backpacking about 3 years ago Does anyone have any more questions for Carly about her backpacking adventures? #type1backpacking about 3 years ago Do you have a handle on HbA1c? It may seem complicated, but getting a grip on HbA1c doesnt have to be hard. Whether you have a basic understanding or no idea at all, this article explains all you need to know about HbA1c. Think of it this way sugar sticks. And inside the body, sugar sticks (binds) to red blood cells, creating a red blood cellsugar complex. Technically, sugar sticks to haemoglobin a specific part of red blood cells. (Haemoglobin is what gives red blood cells their colour.) This sugarhaemoglobin complex is called glycosylated (or glycated) haemoglobin, otherwise known as HbA1c (HbA = haemoglobin; 1c = glycosylated). Once red blood cells become glycosylated (stuck to sugar), they stay glycosylated until they die (about 3 months). As red blood cells die, new ones are produced. If the new blood cells are not glycosylated due to better blood glucose control then the overall HbA1C will decrease. Unlike Blood Glucose Level (BGL) tests that you do daily with a glucose meter, HbA1c tests need to be done by healthcare professionals ideally 2 to 4 times a year. They most commonly use the traditional method of withdrawing blood from a vein in the arm (venous blood draw). The blood is sent to a laboratory to measure th Continue reading >>

Hemoglobin A1c (hba1c) Test For Diabetes

Hemoglobin A1c (hba1c) Test For Diabetes

The hemoglobin A1c test tells you your average level of blood sugar over the past 2 to 3 months. It's also called HbA1c, glycated hemoglobin test, and glycohemoglobin. People who have diabetes need this test regularly to see if their levels are staying within range. It can tell if you need to adjust your diabetes medicines. The A1c test is also used to diagnose diabetes. Hemoglobin is a protein found in red blood cells. It gives blood its red color, and it’s job is to carry oxygen throughout your body. The sugar in your blood is called glucose. When glucose builds up in your blood, it binds to the hemoglobin in your red blood cells. The A1c test measures how much glucose is bound. Red blood cells live for about 3 months, so the test shows the average level of glucose in your blood for the past 3 months. If your glucose levels have been high over recent weeks, your hemoglobin A1c test will be higher. For people without diabetes, the normal range for the hemoglobin A1c level is between 4% and 5.6%. Hemoglobin A1c levels between 5.7% and 6.4% mean you have a higher change of getting of diabetes. Levels of 6.5% or higher mean you have diabetes. The target A1c level for people with diabetes is usually less than 7%. The higher the hemoglobin A1c, the higher your risk of having complications related to diabetes. A combination of diet, exercise, and medication can bring your levels down. People with diabetes should have an A1c test every 3 months to make sure their blood sugar is in their target range. If your diabetes is under good control, you may be able to wait longer between the blood tests. But experts recommend checking at least two times a year. People with diseases affecting hemoglobin, such as anemia, may get misleading results with this test. Other things that can Continue reading >>

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