{"id":49003,"date":"2022-02-17T10:00:15","date_gmt":"2022-02-17T15:00:15","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=49003"},"modified":"2022-02-22T12:35:18","modified_gmt":"2022-02-22T17:35:18","slug":"mch-blood-test","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/mch-blood-test\/","title":{"rendered":"What are normal MCH levels?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><a href=\"#what-is-MCH\">What is MCH?<\/a> | <a href=\"#chart\">Normal MCH levels chart<\/a> | <a href=\"#factors\">Factors that affect MCH<\/a> | <a href=\"#low-MCH\">Low MCH<\/a> | <a href=\"#high-MCH\">High MCH<\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hemoglobin is essential for life. It&#8217;s an iron-rich protein molecule responsible for carrying oxygen from the lungs throughout the body and transporting waste carbon dioxide from the organs and tissues back to the lungs. Without enough hemoglobin, the body can&#8217;t get the oxygen it needs to function correctly, and this can lead to health problems such as heart failure, stroke, or anemia.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Healthcare providers can determine your average hemoglobin levels from a blood test called a complete blood count (CBC). A CBC consists of various lab tests that measure different parts of the blood, including red cells (or erythrocytes), white cells (or leukocytes), and platelets.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The information from the CBC allows healthcare providers to calculate your mean corpuscular hemoglobin (MCH). When used for diagnostic purposes, MCH is just one piece of the puzzle, but it&#8217;s important because it can give clues about iron deficiency, blood disorders, and other health conditions. Learn what an MCH test is and the meaning of different MCH levels.<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/hematocrit-levels\/\"><b>What do your hematocrit test results mean?<\/b><\/a><\/p>\n<h2 id=\"what-is-MCH\">What is MCH?<\/h2>\n<p><span style=\"font-weight: 400;\">MCH, or mean corpuscular hemoglobin, is a valuable part of a complete blood count (CBC). It&#8217;s a value representing the average amount of hemoglobin within a single red blood cell.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A complete blood count is a group of blood tests that measures:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Red blood cells (which carry oxygen)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">White blood cells (which fight infections)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hemoglobin (a protein in red blood cells)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hematocrit (the proportion of red blood cells to plasma)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Platelets (cells that form blood clots)\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Healthcare providers may order this test during an annual checkup or to diagnose issues including infections, anemia, or certain cancers. It can also show how you are responding to medication.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Calculating the MCH from your complete blood count test results gives healthcare providers additional information about your blood and general health. It allows for further evaluation and can help with a diagnosis. MCH is related to two other values in a complete blood count:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mean corpuscular volume (MCV)\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mean corpuscular hemoglobin concentration (MCHC)\u00a0<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">These three measures are your red blood cell indices. They measure the size of your red blood cells and assess the amount of hemoglobin they contain. When there aren\u2019t enough red blood cells or hemoglobin in your blood, you are anemic. Meaning, your blood is less able to carry oxygen. <\/span><span style=\"font-weight: 400;\">The result is that less oxygen reaches the tissues and organs, causing symptoms like fatigue, pale skin, and shortness of breath.<\/span><\/p>\n<h2 id=\"chart\">Normal MCH levels<\/h2>\n<p><span style=\"font-weight: 400;\">Laboratories measure MCH in picograms (pg) per cell. The normal range of MCH values are between <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK260\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">27 and 31 pg per cell<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Individuals with certain health conditions may have MCH levels that are lower or higher than average. The table below shows what the different MCH levels could indicate. &#8220;Though different labs may have different reference ranges based on the local populations,&#8221; says <\/span><a href=\"https:\/\/leannposton.com\/about\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Leann Poston, MD<\/span><\/a><span style=\"font-weight: 400;\">, a medical advisor for Impakt Fitness.\u00a0<\/span><\/p>\n<table class=\" singlecare-table\">\n<thead>\n<tr>\n<th>\n<h3><strong><span class=\"title\">MCH levels chart<\/span><\/strong><\/h3>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"header-row\">\n<td style=\"text-align: center;\"><span style=\"color: #ffffff;\"><b>MCH level<\/b><\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #ffffff;\"><b>Elevation<\/b><\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #ffffff;\"><b>Meaning<\/b><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Less than 26 pg per cell<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Low<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Potentially due to iron deficiency, nutrient deficiency, autoimmune disease, cancer, kidney disease, liver disease, blood loss, or thalassemia<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">27 to 31 pg per cell<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Normal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Commonly seen in healthy adults<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Greater than 33.2 pg per cell<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Elevated<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Potential causes include vitamin B12 or folic acid deficiency, hemolysis, recovery after bleeding or chemotherapy or nutrient replacement, medication side effects, alcohol, liver disease, HIV, bone marrow disease, cancer, hypothyroidism, Down syndrome, copper deficiency, bariatric or other gastrointestinal surgery, kidney disease, congenital heart defects, and lung disease such as chronic obstructive pulmonary disease (COPD) and pulmonary fibrosis<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"factors\">Factors that affect MCH<\/h2>\n<p><span style=\"font-weight: 400;\">Various health conditions can affect MCH levels. For example, anemias driven by deficiencies in iron can result in low MCH levels. Certain medical conditions can also lead to low MCH. These include <\/span><a href=\"https:\/\/www.cdc.gov\/ncbddd\/thalassemia\/facts.html\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">thalassemia<\/span><\/a><span style=\"font-weight: 400;\">, an inherited blood disorder that is caused by defects in the hemoglobin genes. Additionally, women&#8217;s MCH may be lower than men&#8217;s because of blood loss during menstruation, which can lead to iron deficiency.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Conversely, individuals may have high MCH levels if they have a deficiency in nutrients such as vitamin B12 or folic acid. Medical conditions, such as alcoholism, liver disease, and bone marrow diseases, can also cause high MCH. Even medications, including <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/metformin-hcl\"><span style=\"font-weight: 400;\">metformin<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/prilosec\"><span style=\"font-weight: 400;\">Prilosec (omeprazole)<\/span><\/a><span style=\"font-weight: 400;\">, can be associated with elevated MCH values.<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/conditions\/anemia-treatment-and-medications\"><b>Anemia treatments and medications<\/b><\/a><\/p>\n<h2 id=\"low-MCH\">Low MCH levels<\/h2>\n<p><span style=\"font-weight: 400;\">Healthcare providers consider a value of less than 26 pg per cell as low MCH.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Causes<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">&#8220;MCH may be low either because the red blood cell is small or the cell has a lower-than-normal amount of hemoglobin in it,&#8221; Dr. Poston says. Several types of anemia can be associated with low MCH levels. These are the microcytic anemias, referring to the abnormally small red blood cells that can&#8217;t take in much hemoglobin. The common causes include malnutrition or nutritional and iron deficiencies. Because the body needs iron to make hemoglobin, iron deficiency can lead to anemia and low MCH levels.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">People may have a <\/span><a href=\"https:\/\/www.hematology.org\/education\/patients\/anemia\/iron-deficiency\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">higher risk<\/span><\/a><span style=\"font-weight: 400;\"> of iron-deficient anemia if they:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bleed a lot during menstruation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bleed from other medical conditions<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are pregnant<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gave birth recently<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Have low dietary iron, particularly vegans and vegetarians<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Have peptic ulcer disease<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Are healing following trauma or surgery<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Individuals who cannot absorb iron may also have low MCH levels. Low MCH levels are not necessarily serious, but they indicate an underlying problem that requires attention. These include people with celiac disease, inflammatory bowel disease such as Crohn&#8217;s disease, or who&#8217;ve had gastric bypass surgery. These three gastrointestinal conditions can actually lead to nutritional deficiencies associated with either high or low MCH levels.\u00a0\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Symptoms<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">If someone has low MCH, their red blood cells carry less oxygen throughout the body, leading to fatigue. &#8220;The symptoms of low MCH match symptoms associated with anemia,&#8221; says Dr. Poston. They include:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fatigue<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shortness of breath<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Muscle weakness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tachycardia or fast heartbeat<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Low blood pressure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Paleness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bruising easily<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Brittle nails<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hair loss<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">Treatments<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Treatment depends on the underlying cause of low MCH. &#8220;Low MCH level resulting from thalassemia may not require a treatment,&#8221; says <\/span><a href=\"https:\/\/www.farrinstitute.org\/author\/daniel-boyer-m-d\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Daniel Boyer<\/span><\/a><span style=\"font-weight: 400;\">, MD, a researcher at the Farr Institute in West Des Moines, Iowa. Conversely, &#8220;Severe symptoms of low MCH may require a blood transfusion to improve.&#8221;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Low MCH levels often occur because of iron deficiency that leads to anemia. For iron-deficiency anemias, healthcare providers may prescribe an <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/iron\"><span style=\"font-weight: 400;\">iron supplement<\/span><\/a><span style=\"font-weight: 400;\">. They may also recommend including more <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/iron-rich-foods-anemia-diet\/\"><span style=\"font-weight: 400;\">iron-rich foods<\/span><\/a><span style=\"font-weight: 400;\"> in your diet, such as red meat, fish, shellfish, and eggs. Vegans and vegetarians can also boost their iron intake with dark leafy vegetables, beans, lentils, tofu, and iron-fortified bread and cereals.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Additionally, people must ensure they eat enough<\/span> <a href=\"https:\/\/www.singlecare.com\/prescription\/vitamin-b6\"><span style=\"font-weight: 400;\">vitamin B6<\/span><\/a><span style=\"font-weight: 400;\"> (<\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/pyridoxine-hcl\"><span style=\"font-weight: 400;\">pyridoxine<\/span><\/a><span style=\"font-weight: 400;\">) in their diet. The body needs this water-soluble vitamin to make red blood cells as it aids in converting iron to hemoglobin. It&#8217;s also essential to eat enough <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/vitamin-c\"><span style=\"font-weight: 400;\">vitamin C<\/span><\/a><span style=\"font-weight: 400;\"> through food or supplements to help the body absorb iron. People may also need to cut down on drinking black tea and coffee as the tannins can lower iron absorption.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If chronic blood loss is the cause of iron deficiency and the resultant anemia, addressing the source of bleeding is paramount. For instance, a stomach ulcer may require treatment including starting a <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/proton-pump-inhibitors\"><span style=\"font-weight: 400;\">proton pump inhibitor (PPI)<\/span><\/a><span style=\"font-weight: 400;\">, such as <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/nexium\"><span style=\"font-weight: 400;\">Nexium (esomeprazole)<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">People with low MCH levels should seek professional medical advice and discuss a treatment plan with their healthcare provider before changing their diet or taking any iron supplements. If someone doesn&#8217;t have low iron levels, supplements could harm them.<\/span><\/p>\n<h2 id=\"high-MCH\">High MCH levels<\/h2>\n<p><span style=\"font-weight: 400;\">&#8220;An MCH value that is above 33.2 pg is considered high,&#8221; Dr. Boyer says.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Causes<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">&#8220;Often high MCH is caused by a B12 or folate deficiency, which is needed for the production of red blood cells or when the body is poorly absorbing these vitamins,\u201d Dr. Boyer says.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These B vitamin deficiencies <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5133110\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">may happen<\/span><\/a><span style=\"font-weight: 400;\"> if an individual:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Can&#8217;t absorb vitamin B12 due to pernicious anemia, an autoimmune condition<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Can\u2019t absorb vitamin B12 or folate due to a gastrointestinal disorder, such as celiac or inflammatory bowel disease<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Has all or part of their stomach removed in a gastrectomy procedure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Eats a vegan or vegetarian diet as plants are low in B12<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Is malnourished<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Takes a medication that limits absorption or reduces levels of B12 or folate<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">High MCH levels often coincide with macrocytic anemia, which means the red blood cells are abnormally large, and there are fewer of them. Red blood cells usually measure between <\/span><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5689413\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">80\u2013100 femtoliter (fL<\/span><\/a><span style=\"font-weight: 400;\">). If they&#8217;re larger than 100 fL, they&#8217;re considered macrocytic.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Although it may seem that larger red blood cells would carry more hemoglobin, the opposite is true; they carry less. Having fewer cells with a lower oxygen-carrying capacity results in a low blood hemoglobin concentration or anemia.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Macrocytic anemia isn&#8217;t a single disease. Instead, it&#8217;s an umbrella term for various red blood cell abnormalities that are symptoms of certain medical conditions and nutritional problems. An example of a common macrocytic anemia is megaloblastic macrocytic anemia. Megaloblastic anemia happens when red blood cells cannot produce DNA quickly enough to divide at the correct time, and so they continue to grow and become too large. Vitamin B12 and folate deficiencies are two common causes of megaloblastic anemia.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Other potential reasons for high MCH include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kidney and liver disease<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Down syndrome<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Myelodysplastic syndrome, a stem cell disorder<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Excessive alcohol intake<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Congenital heart defects<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Infections<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cancer<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thyroid dysfunction<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lung disease<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Estrogen medications<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Some medications can also change fluctuations in MCH levels, including:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Anti-inflammatories<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diuretics<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Antiretroviral drugs<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Anticonvulsants<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some cancer medications<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/drug-classes\/proton-pump-inhibitors\"><span style=\"font-weight: 400;\">Proton pump inhibitors<\/span><\/a><span style=\"font-weight: 400;\">, such as Prilosec<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Metformin, a common medication for <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/type-2-diabetes-treatment-and-medications\"><span style=\"font-weight: 400;\">Type 2 diabetes mellitus<\/span><\/a><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">Symptoms<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">People may not feel ill if their MCH is high. However, high MCH can mean that red blood cells aren&#8217;t dividing correctly, leading to macrocytic anemia. Therefore, symptoms may resemble those of low MCH.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">With macrocytic anemia, an individual may experience a pattern of gradually worsening symptoms. Fatigue is a common symptom, and others include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shortness of breath<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Very pale or yellow skin<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Headache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chest pain<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fast heartbeat<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weakness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Poor concentration<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Confusion<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Depending on the underlying cause, individuals with macrocytic anemia may experience digestive issues, such as low appetite, weight loss, and diarrhea. If an individual has a vitamin B12 deficiency, they may experience:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Numbness or &#8220;pins and needles&#8221; in the extremities<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Balance problems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Muscle weakness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Confusion<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Memory loss<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Depression<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mood problems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Smooth or swollen tongue<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nausea and vomiting<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heartburn<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diarrhea<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Loss of appetite<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weight loss<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">Treatments<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Again, the treatment of high MCH depends on the underlying cause and may differ for each person.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dr. Boyer says, &#8220;Eating foods that are rich in vitamin B12 or folate, including brown rice, dark-green leafy vegetables, and white or red meat,&#8221; is one way to address high MCH levels if it is caused by a deficiency in these nutrients.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Although a varied and balanced diet provides these vitamins, in some cases, healthcare providers may prescribe <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/cyanocobalamin\"><span style=\"font-weight: 400;\">injectable B12<\/span><\/a><span style=\"font-weight: 400;\"> (cyanocobalamin) or oral <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/vitamin-b12\"><span style=\"font-weight: 400;\">vitamin B12<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/folate\"><span style=\"font-weight: 400;\">folate<\/span><\/a><span style=\"font-weight: 400;\"> supplements if an individual isn&#8217;t absorbing vitamins effectively.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If the macrocytic anemia has another underlying cause, treating that primary problem can lead to improvement in the anemia. For example, correcting low thyroid hormone levels in hypothyroidism with <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/synthroid\"><span style=\"font-weight: 400;\">Synthroid (levothyroxine)<\/span><\/a><span style=\"font-weight: 400;\"> may resolve the anemia as well.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is MCH? | Normal MCH levels chart | Factors that affect MCH | Low MCH | High MCH Hemoglobin is essential for life. It&#8217;s an iron-rich protein molecule responsible for carrying oxygen from the lungs throughout the body and transporting waste carbon dioxide from the organs and tissues back to the lungs. Without enough [&hellip;]<\/p>\n","protected":false},"author":94,"featured_media":48604,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8029],"tags":[729,8905],"coauthors":[20898],"class_list":["post-49003","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health-education","tag-doctor-visits","tag-seasonal","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What is MCH in blood test results?<\/title>\n<meta name=\"description\" content=\"Normal MCH levels are 27 to 31 pg per cell. 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