ICD-10 Codes Explained
International Classification of Diseases codes for diagnoses and conditions. Understand what each diagnosis code means on your medical bills.
Showing 49 of 299 ICD-10 codes
E042Non-cancerous enlarged thyroid gland with multiple lumps or nodules
This code refers to a condition where your thyroid gland (located in your neck) has become enlarged and contains multiple small lumps called nodules. The 'nontoxic' part means these nodules are not producing excess thyroid hormones, so your thyroid function remains normal. 'Multinodular' means there are several nodules present rather than just one. A goiter simply means an enlarged thyroid gland. This condition is generally benign (non-cancerous) but may cause visible swelling in the neck or, in some cases, difficulty swallowing or breathing if the goiter becomes very large. The nodules are typically discovered through physical examination or imaging studies like ultrasound.
R202Abnormal skin sensations like tingling, numbness, or 'pins and needles'
Paresthesia refers to unusual sensations in your skin that you might describe as tingling, numbness, burning, prickling, or feeling like 'pins and needles.' These sensations can occur anywhere on your body and may feel like your skin is crawling, itching without a rash, or like parts of your body have 'fallen asleep.' This condition can be temporary (like when your foot falls asleep) or ongoing, and can result from various causes including nerve irritation, vitamin deficiencies, medication side effects, or underlying medical conditions. The sensations are real and not imaginary, though there may not be any visible changes to your skin.
D500Iron deficiency anemia caused by ongoing blood loss over time
This condition means you have anemia (low red blood cell count) because your body doesn't have enough iron. The iron deficiency happened because you've been losing small amounts of blood over a long period of time, which gradually depleted your body's iron stores. This type of blood loss is often so slow that you might not notice it happening. Common causes include heavy menstrual periods, bleeding in the digestive tract from ulcers or other conditions, or frequent blood donations. Your body needs iron to make healthy red blood cells, so when iron levels get too low, you develop anemia, which can make you feel tired, weak, or short of breath.
H2513Age-related clouding of the natural lens in both eyes (cataracts)
This code indicates that you have cataracts in both eyes. Cataracts occur when the natural lens inside your eye becomes cloudy, making your vision blurry or dim. The 'nuclear' type means the cloudiness is in the center part of the lens. This is a very common condition that develops naturally as we age, typically affecting people over 60. The cloudiness blocks light from reaching the back of your eye clearly, which is why you may notice difficulty seeing, especially at night, increased glare from lights, or colors appearing faded. This is not an emergency condition and develops gradually over time.
J8410Scarring of lung tissue that makes breathing difficult
Pulmonary fibrosis is a condition where the lung tissue becomes thick and scarred over time. This scarring makes it harder for your lungs to work properly and can cause shortness of breath, especially during physical activity. The 'unspecified' part means the exact cause or type of fibrosis hasn't been determined yet. This condition can develop from various causes including certain medications, environmental exposures, autoimmune diseases, or sometimes the cause is unknown. The scarring is usually permanent, but treatments can help slow progression and manage symptoms.
K2950Chronic stomach inflammation without bleeding, type not specified
This code indicates you have chronic gastritis, which means the lining of your stomach has been inflamed (irritated and swollen) for an extended period of time. 'Chronic' means it's been going on for weeks, months, or longer, rather than being a sudden, short-term problem. The 'unspecified' part means your doctor hasn't identified the exact type or cause of the gastritis yet. The good news is that there's no bleeding detected, which means the inflammation hasn't caused any bleeding in your stomach lining. Common symptoms might include stomach pain, nausea, bloating, or feeling full quickly when eating. This condition can often be managed with medication and dietary changes.
H6982A specific disorder affecting the eustachian tube in the left ear that doesn't fit into other standard categories
This code refers to a particular problem with your left eustachian tube that has specific characteristics but doesn't match the typical categories of eustachian tube disorders. The eustachian tube is a small passage that connects your middle ear to the back of your throat and helps equalize air pressure in your ear. When this tube isn't working properly, you might experience symptoms like ear fullness, muffled hearing, ear pain, or difficulty with pressure changes (like when flying or driving in mountains). The 'other specified' designation means your doctor has identified a specific type of eustachian tube problem that requires its own distinct classification for proper treatment and medical record keeping.
K648Other types of hemorrhoids not specifically classified elsewhere
This code refers to hemorrhoids (swollen blood vessels in the rectum or anus) that don't fit into the more specific hemorrhoid categories. Hemorrhoids are very common and can cause symptoms like pain, itching, bleeding, or discomfort during bowel movements. They can be internal (inside the rectum) or external (around the anus). This particular code is used when the hemorrhoids don't match the criteria for other specific hemorrhoid diagnoses, but still require medical attention or treatment.
S0990XAHead injury of unknown type - first visit for treatment
This code indicates that you have sustained some type of injury to your head, but the specific nature or extent of the injury has not yet been determined or documented. This is your first visit to receive medical care for this head injury. The injury could range from minor bumps or bruises to more serious conditions, which is why further evaluation and testing may be needed to determine the exact type and severity of your head injury.
Z792Currently taking antibiotics for an extended period of time
This code indicates that you are currently taking antibiotic medications for a long period of time (typically 30 days or more). This is not a diagnosis of an illness, but rather a way for healthcare providers to document that you're on long-term antibiotic treatment. This might be necessary for various reasons, such as treating a chronic infection, preventing infections in certain medical conditions, or as part of ongoing treatment for specific health issues. Your healthcare team uses this code to keep track of your medication history and ensure proper coordination of your care.
R502Fever caused by medication or drug reaction
This code indicates that you developed a fever as a side effect or reaction to a medication or drug you were taking. Drug-induced fever is when your body temperature rises above normal (usually above 100.4°F or 38°C) specifically because of a medication, rather than from an infection or other illness. This can happen with many different types of medications, including antibiotics, heart medications, seizure medications, and others. The fever typically goes away once the medication is stopped or changed. Your healthcare team will monitor your temperature and may need to adjust or discontinue the medication causing the fever.
N182Chronic kidney disease, stage 2 - mild decrease in kidney function
Stage 2 chronic kidney disease means your kidneys have mild damage and are working at 60-89% of normal function. At this stage, you may not have any symptoms, but your doctor has detected signs of kidney damage through blood tests, urine tests, or imaging studies. Your kidneys are still functioning well enough to filter waste from your blood, but early intervention can help slow progression and protect your remaining kidney function. This stage often requires monitoring and lifestyle changes to prevent further kidney damage.
D72819Low white blood cell count of unknown cause
This code indicates that your white blood cell count is lower than normal, but the specific cause hasn't been identified yet. White blood cells are part of your immune system that help fight infections and diseases. When the count is low (a condition called leukopenia), your body may have a harder time fighting off infections. This could be due to various reasons including medications, infections, autoimmune conditions, bone marrow problems, or other medical conditions. Your healthcare team will likely need to do additional tests to determine the underlying cause and develop an appropriate treatment plan.
M25511Right shoulder pain diagnosis
This code indicates that you have been diagnosed with pain in your right shoulder. Shoulder pain can have many causes, including muscle strain, joint inflammation, injury, or wear and tear from daily activities. Your healthcare provider has documented this pain as the reason for your visit or as part of your medical condition. This is a common diagnosis that can range from mild discomfort to more significant pain that affects your daily activities and movement.
Z789Documentation of a specific health condition or status that affects your care
This code is used by healthcare providers to document a particular health status, condition, or circumstance that is important for your medical care but doesn't fit into other standard diagnostic categories. It's often used to record factors that influence your health or treatment decisions, such as specific risk factors, health maintenance needs, or other medically relevant circumstances. This code helps ensure your complete health picture is documented for proper care coordination and medical decision-making.
N6310A lump or mass found in the right breast that needs further evaluation to determine what it is
This code indicates that a healthcare provider has identified a lump or mass in your right breast, but they haven't yet determined exactly what type of lump it is or its specific location within the breast. The lump could be many different things - it might be a cyst (fluid-filled sac), a benign (non-cancerous) growth like a fibroadenoma, or it could require further testing to rule out other conditions. This is a diagnostic code used when additional testing or evaluation is needed to better understand the nature of the lump. It's important to note that most breast lumps are benign, but proper medical evaluation is essential to determine the exact nature of any breast abnormality.
F329Major depression, first episode, severity not specified
This code indicates a diagnosis of major depressive disorder during your first episode of depression. Major depressive disorder is a serious mental health condition characterized by persistent feelings of sadness, hopelessness, and loss of interest in activities you once enjoyed. This is considered a 'single episode' because it's either your first time experiencing major depression or you've had significant periods of normal mood between any previous episodes. The 'unspecified' part means your healthcare provider hasn't documented the specific severity level (mild, moderate, or severe) of your current depression. This diagnosis typically requires symptoms to be present for at least two weeks and to significantly impact your daily functioning, work, or relationships.
G4700Difficulty falling asleep, staying asleep, or poor sleep quality without a specific underlying cause identified
This code indicates that you have been diagnosed with insomnia, which means you're experiencing problems with your sleep. This could include trouble falling asleep when you go to bed, waking up frequently during the night, waking up too early and not being able to get back to sleep, or feeling like your sleep isn't refreshing. The 'unspecified' part means that your healthcare provider hasn't identified a specific underlying medical condition or cause for your sleep problems. Insomnia can affect your daily life, making you feel tired, irritable, or have difficulty concentrating during the day. This diagnosis helps your healthcare team understand your sleep issues and develop an appropriate treatment plan.
D1803A benign (non-cancerous) blood vessel tumor located inside the abdomen
A hemangioma is a benign tumor made up of blood vessels that appears as a cluster of abnormal blood vessels. When located in intra-abdominal structures, it means the hemangioma is found within organs inside the abdomen, such as the liver, spleen, or other abdominal organs. These are typically non-cancerous growths that are often present from birth or develop early in life. Most hemangiomas are harmless and may not cause symptoms, though larger ones might cause discomfort or complications depending on their size and location. The MRI/MRA imaging mentioned in your procedure helps doctors see the blood vessel structure clearly and determine the best treatment approach if needed.
F419General anxiety disorder diagnosis when the specific type of anxiety isn't determined
This code indicates you have been diagnosed with an anxiety disorder, but your healthcare provider hasn't specified the exact type (such as generalized anxiety disorder, panic disorder, or social anxiety). Anxiety disorders involve excessive worry, fear, or nervousness that interferes with daily activities. This 'unspecified' diagnosis is often used when you're first being evaluated for anxiety symptoms, or when your symptoms don't clearly fit into a specific anxiety disorder category. It's a legitimate medical condition that can be effectively treated with therapy, medication, or both.
M3505Drug-induced muscle weakness affecting the shoulder area
This code indicates muscle weakness in the shoulder region that has been caused by medications or drugs. This condition occurs when certain medications interfere with normal muscle function, leading to weakness, fatigue, or reduced strength in the shoulder muscles. The weakness may affect your ability to lift your arms, carry objects, or perform daily activities involving shoulder movement. This is typically a side effect of medication rather than a primary muscle disease, and symptoms may improve when the causative medication is adjusted or discontinued under medical supervision.
F411Diagnosis of generalized anxiety disorder during a new patient office visit
This code indicates that during your first visit to this healthcare provider, you were diagnosed with generalized anxiety disorder (GAD). GAD is a mental health condition characterized by persistent, excessive worry about various aspects of daily life that is difficult to control. People with GAD often experience physical symptoms like restlessness, fatigue, difficulty concentrating, muscle tension, and sleep problems. The anxiety is typically present more days than not for at least 6 months and significantly interferes with daily activities. This diagnosis was made during an office consultation with a mental health professional or primary care physician who evaluated your symptoms and determined they meet the criteria for GAD.
M359A condition affecting connective tissues throughout the body, but the specific type hasn't been determined yet
This code indicates that you have a condition that affects your connective tissues - the supportive structures that hold your body together, including tendons, ligaments, cartilage, and the framework around organs. The 'systemic' part means it affects multiple areas of your body rather than just one spot. The 'unspecified' part means your doctor knows there's a connective tissue problem but hasn't yet determined exactly which specific condition it is. This might be used while you're undergoing testing to get a more precise diagnosis, or when your symptoms don't clearly fit into one specific connective tissue disease category. Connective tissue disorders can cause symptoms like joint pain, muscle weakness, skin changes, or fatigue.
U071COVID-19 diagnosis code
This is the official medical code used to document a COVID-19 diagnosis. U071 specifically indicates that you have been diagnosed with COVID-19, the disease caused by the SARS-CoV-2 virus. This code is used by healthcare providers for medical record keeping, insurance billing, and public health tracking purposes. The diagnosis may be based on laboratory testing (such as PCR or antigen tests), clinical symptoms, or epidemiological factors as determined by your healthcare provider.
R1314Difficulty swallowing that occurs when food or liquid gets stuck in the throat or upper esophagus area
Dysphagia in the pharyngoesophageal phase means you have trouble swallowing that happens when food or liquid moves from your throat into your esophagus (the tube that carries food to your stomach). This can feel like food getting stuck in your throat or upper chest area. It may cause coughing, choking, or the sensation that food won't go down properly. This condition can make eating and drinking difficult and may require evaluation to determine the underlying cause and appropriate treatment.
R194Change in normal bowel movement patterns
This code indicates that you've experienced a change in your usual bowel movement patterns. This could mean changes in frequency (going more or less often than normal), consistency (harder, softer, or different texture), color, or other characteristics of your bowel movements. Changes in bowel habits can have many causes, ranging from dietary changes, stress, medications, or underlying medical conditions. Your healthcare provider will evaluate these changes to determine if further testing or treatment is needed.
Z3A01Documentation of early pregnancy (less than 8 weeks)
This code indicates that you are in the very early stages of pregnancy, specifically less than 8 weeks from your last menstrual period. This is used by healthcare providers to document the gestational age of your pregnancy for medical record keeping and billing purposes. At this stage, the pregnancy is still in its first trimester, and this coding helps ensure you receive appropriate prenatal care and monitoring. The code is often used alongside blood tests that check pregnancy hormones or other pregnancy-related lab work.
M47814Wear and tear of the spine in the middle back area without nerve damage
This code describes spondylosis, which is the natural wear and tear that happens to your spine as you age, specifically in the thoracic region (the middle part of your back where your ribs attach). The condition involves changes to the vertebrae (spine bones), discs, and joints, but in this case, it's not causing damage to the spinal cord (myelopathy) or nerve roots (radiculopathy). Think of it like arthritis of the spine - it's a common condition that can cause stiffness and sometimes pain, but the nerves are not being compressed or damaged. Many people have this condition and may not even know it, as it can be found on imaging studies without causing symptoms.
Z23Visit for receiving a vaccination or immunization
This code is used when you visit a healthcare provider specifically to receive a vaccine or immunization. This could be for routine vaccinations like flu shots, COVID-19 vaccines, travel vaccines, or any other preventive immunizations. The visit is focused on administering the vaccine rather than treating an illness or injury. This is a preventive care service that helps protect you from various diseases.
N83202A fluid-filled sac (cyst) found on the left ovary, type not yet determined
This code indicates that an ultrasound or other imaging has detected a cyst on your left ovary, but the specific type of cyst hasn't been determined yet. Ovarian cysts are very common fluid-filled sacs that can develop on or in the ovaries. Many are harmless and may go away on their own, while others may need monitoring or treatment. The 'unspecified' part means your doctor needs more information or time to determine exactly what kind of cyst it is. This could be a simple functional cyst (related to your normal menstrual cycle) or another type that requires different care. Your healthcare provider will likely recommend follow-up to monitor the cyst or additional tests to better characterize it.
R160Enlarged liver that doesn't fit into other specific categories
This code indicates that your liver is larger than normal size (hepatomegaly), but the enlargement doesn't match any specific disease pattern that has its own diagnostic code. An enlarged liver can have many causes, including infections, medications, alcohol use, fatty liver disease, heart problems, or other conditions. Your doctor will likely need additional tests to determine the underlying cause of the liver enlargement. The MRI/MRA imaging mentioned in your procedure helps doctors see detailed pictures of your liver to better understand its condition and guide further treatment decisions.
D219Non-cancerous growth in soft tissue (like muscle, fat, or connective tissue) - location not specified
This code indicates a benign (non-cancerous) tumor or growth found in connective tissue or other soft tissues of the body. Connective tissues include structures like tendons, ligaments, cartilage, fat, and muscle. 'Benign' means the growth is not cancerous and typically doesn't spread to other parts of the body. The 'unspecified' part means the exact location of the growth wasn't specified in the medical documentation. These growths can occur anywhere in the body where soft tissues are present. While benign, they may still require monitoring or treatment depending on their size, location, and symptoms they may cause.
D23121Benign (non-cancerous) skin growth on the eyelid
This code refers to a benign neoplasm of the skin of the eyelid, which means a non-cancerous growth or tumor on the skin of your eyelid. These growths are not harmful or dangerous, but they may be removed for cosmetic reasons or if they interfere with vision or eyelid function. Common examples include skin tags, moles, or small cysts on the eyelid. Since this is classified as benign, it means the growth will not spread to other parts of your body.
Z6822Documentation of healthy body weight (BMI 22.0-22.9)
This code indicates that your Body Mass Index (BMI) falls within the range of 22.0 to 22.9, which is considered within the normal, healthy weight range for adults. BMI is calculated using your height and weight to assess whether you're at a healthy weight for your height. A BMI in this range suggests you're maintaining a good weight that's associated with lower health risks. This code is typically used for documentation purposes during medical visits and may be relevant for preventive care discussions.
Z8742Personal history of other female reproductive system diseases
This code indicates that you have a documented medical history of diseases or conditions affecting your female reproductive organs (such as ovaries, fallopian tubes, uterus, cervix, or vagina) that are not specifically covered by other history codes. This is not a current active condition, but rather a record that you previously had a condition affecting these organs. Healthcare providers use this information to understand your complete medical background, which can be important for making decisions about your current and future care. The specific condition from your past would be documented elsewhere in your medical records.
G950A rare condition where fluid-filled cysts form in the spinal cord or brainstem
Syringomyelia and syringobulbia are rare neurological conditions where fluid-filled cavities (called syrinxes) develop within the spinal cord (syringomyelia) or brainstem (syringobulbia). These cysts can expand over time and damage nerve tissue, potentially causing symptoms like pain, weakness, numbness, or loss of sensation. The condition may be present from birth or develop due to trauma, tumors, or other spinal cord abnormalities. Symptoms often develop gradually and may include loss of pain and temperature sensation while touch sensation remains normal, muscle weakness, and in severe cases, paralysis. Treatment depends on the underlying cause and may range from monitoring to surgical intervention.
D259Benign (non-cancerous) fibroid tumor in the uterus, location not specified
A leiomyoma is a benign (non-cancerous) tumor made of smooth muscle tissue that grows in the uterus. These are commonly called uterine fibroids. The 'unspecified' designation means the exact location within the uterus (such as in the wall, on the outside surface, or protruding into the cavity) was not documented. Fibroids are very common, affecting many women during their reproductive years. They can vary greatly in size and may cause symptoms like heavy menstrual bleeding, pelvic pressure, or pain, though some women have no symptoms at all. The associated ultrasound procedure suggests this diagnosis was made through imaging of the abdomen and pelvis.
R0989Other symptoms affecting heart, blood vessels, or breathing that don't fit into more specific categories
This code is used when you have symptoms related to your heart, blood circulation, or breathing system that don't match more specific diagnostic codes. It covers various signs and symptoms involving your cardiovascular system (heart and blood vessels) and respiratory system (lungs and breathing) that your doctor has observed or you've reported, but that require further evaluation or don't fit into a more precise diagnostic category. This is often used during the diagnostic process when symptoms are present but a specific condition hasn't been definitively identified yet.
M47812Wear and tear of the neck spine without nerve compression
This code describes spondylosis in the cervical (neck) region of your spine. Spondylosis is a general term for age-related wear and tear of the spinal bones and discs - think of it like arthritis of the spine. The 'cervical region' refers to the seven vertebrae in your neck area. The key part of this diagnosis is 'without myelopathy or radiculopathy,' which means the wear and tear has not compressed or damaged your spinal cord (myelopathy) or the nerve roots that branch off from your spinal cord (radiculopathy). This is generally a less severe form of spinal degeneration that may cause neck pain, stiffness, or reduced range of motion, but doesn't involve nerve damage that could cause symptoms like numbness, tingling, or weakness in your arms or hands.
Z712Follow-up visit to discuss and explain medical test or exam results
This code is used when you visit your healthcare provider specifically to have medical test results, exam findings, or diagnostic reports explained to you. This might include discussing blood work, imaging studies (like X-rays or MRIs), biopsy results, or other medical tests. During this visit, your doctor will review the findings with you, explain what they mean for your health, discuss any concerns, and help you understand next steps in your care. This is an important part of healthcare that ensures you fully understand your medical information.
R059Cough, unspecified
This code is used when a patient has a cough that hasn't been specifically identified as having a particular cause or type. A cough is a common symptom that can result from many different conditions, ranging from simple respiratory infections like colds to more serious conditions. During your visit, your healthcare provider will evaluate your cough to determine if further testing or treatment is needed. The cough may be dry or produce mucus, and could be acute (short-term) or chronic (lasting more than 8 weeks).
R718Abnormal red blood cells that don't fit into other specific categories
This code indicates that your red blood cells show some type of abnormality that doesn't match other specific conditions. Red blood cells are responsible for carrying oxygen throughout your body. When they appear abnormal under a microscope or in blood tests, it could suggest various underlying conditions. This is a general code used when the specific type of red blood cell abnormality doesn't fit into more precise diagnostic categories. Your doctor will likely need additional tests to determine the exact cause and significance of these abnormal cells. The abnormality could be related to nutritional deficiencies, genetic conditions, infections, or other medical issues affecting your blood.
Z8639Personal history of endocrine, nutritional, or metabolic disease
This code indicates that you have a documented history of having an endocrine (hormone-related), nutritional, or metabolic disease in the past. This doesn't mean you currently have an active condition, but rather that you've previously been diagnosed with conditions like diabetes, thyroid disorders, vitamin deficiencies, or other hormone or metabolism-related problems. Healthcare providers use this code to keep track of your medical history, as past conditions can influence current health decisions, treatment plans, and risk assessments for future health issues.
Z8551Medical history code indicating you previously had bladder cancer that has been treated
This code (Z8551) is used in your medical records to document that you have a personal history of bladder cancer (malignant neoplasm). This is not a diagnosis of current cancer, but rather a way for healthcare providers to keep track of your medical history. Having this code in your record helps doctors understand your health background and may influence decisions about screening, follow-up care, and treatment for other conditions. It's important for all your healthcare providers to know about your cancer history, as it may affect your risk for certain health issues and guide preventive care recommendations.
K760Fatty liver disease - a condition where excess fat builds up in the liver
Fatty liver disease, also called hepatic steatosis, occurs when too much fat accumulates in liver cells. This can happen for various reasons including obesity, diabetes, high cholesterol, or certain medications. While often symptomless in early stages, it can sometimes cause fatigue or mild abdominal discomfort. The condition is often discovered during routine blood tests or imaging studies like ultrasounds. In many cases, fatty liver can be improved through lifestyle changes such as weight loss, healthy diet, and regular exercise. Your doctor will monitor the condition and may recommend additional tests to determine the underlying cause and appropriate treatment plan.
R161Enlarged spleen that doesn't fit into other specific categories
This code indicates that your spleen is larger than normal (splenomegaly). The spleen is an organ located in your upper left abdomen that helps filter your blood and fight infections. When it becomes enlarged, it can be due to various reasons such as infections, blood disorders, liver problems, or other medical conditions. The 'not elsewhere classified' part means that your enlarged spleen doesn't fit into other more specific diagnostic categories, so doctors are using this general code while they work to determine the underlying cause. An enlarged spleen may cause discomfort in your left upper abdomen, early feeling of fullness when eating, or sometimes no symptoms at all.
B259Cytomegalovirus (CMV) infection without specific details about which organs are affected
This code indicates you have been diagnosed with a cytomegalovirus (CMV) infection, but the specific type or location of the infection in your body hasn't been specified. CMV is a common virus that many people carry without symptoms. However, it can cause illness in people with weakened immune systems, newborns, or during pregnancy. The infection can affect various organs including the lungs, liver, eyes, or digestive system. Since this is an 'unspecified' diagnosis, your doctor may need additional tests to determine exactly how CMV is affecting you and develop the most appropriate treatment plan.
R140Abdominal bloating and swelling caused by gas buildup in the digestive system
This code describes a condition where your abdomen (belly area) feels swollen, tight, or bloated due to excess gas trapped in your digestive system. You may notice your stomach looks bigger than usual, feels full or tight, and may be uncomfortable. This can happen for various reasons including eating certain foods, swallowing too much air, digestive issues, or changes in your gut bacteria. The bloating is specifically caused by gas rather than fluid or other causes of abdominal swelling.
N6313A lump or mass found in the lower outer area of the right breast that needs further evaluation
This code indicates that a healthcare provider has identified a lump or mass in a specific area of your right breast - the lower outer quadrant (the bottom outer section when looking at the breast). The term 'unspecified' means that at this point, the exact nature of the lump hasn't been determined yet. This could be anything from a benign (non-cancerous) cyst or fibroadenoma to other types of breast tissue changes. The ultrasound procedure mentioned in your claim is a common next step to get a better look at the lump and help determine what it might be. Most breast lumps turn out to be benign, but any new lump should be properly evaluated by a healthcare professional.
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