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GGT Blood Test: What a High or Low Result Means

A GGT blood test is normally ordered to assess for liver injury, like hepatitis or cirrhosis, however it can also be apart of a routine work-up to assess whether the liver is functioning normally. Learn about what a high GGT or low GGT means and what the normal reference range is.

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CPK Test: High or Low Levels & What Results Mean

A CPK test looks at the levels of creatinine phosphokinase in the blood. It is used to evaluate possible damage in the skeletal muscles, heart or brain. Learn about why this test is ordered, what a high or low level means, and the different types of CPK.

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Epithelial Cells in Urine: Types (including Squamous) & Causes

Epithelial cells in the urine are considered to be a normal finding and usually is not of clinical relevance. However too many epithelial cells in the urine can be a sign of a UTI or kidney problem. Learn about what causes epthelial cells t.

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Urobilinogen in Urine: Normal Levels, Causes & Treatment

High levels of urobilinogen in the urine is a symptom of several health conditions, like liver disease and hemolytic anemia, which also cause increased bilirubin levels in the blood. Learn more about what causes this finding and how it is treated.

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Hemoglobin in Urine: Causes, Diagnosis & Treatment

Hemoglobin in the urine occurs when hemoglobin is excreted in the urine due to red blood cell destruction. This gives urine a urine a reddish and transparent color. See what causes hemoglobin in the urine and what to do.

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What Bilirubin in Urine Means: Causes, Symptoms & What to Do

Bilirubin in the urine is usually a sign of a liver problem. This finding should be compared with other test results to reach a diagnosis, which will help to guide appropriate treatment. Learn more about what causes bilirubin in the urine a.

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RBC in Urine: Top 7 Causes, Diagnosis & Treatment

RBC in the urine is also known as hematuria. It is usually associated with a kidney problem, but can occur when urine samples are collected during a period or after intense exercise. RBC in the urine will usually cause urine to appear red, pink or cloudy. Learn more about .

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Low Triglycerides: 5 Common Causes

Low triglycerides may sometimes be a sign of a low-calorie diets or certain diseases such as hyperthyroidism or malnutrition. Triglycerides are considered to be low when levels are under 50 ml/dL. Learn about what causes low triglycerides and what to do.

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Blood Tests For Cancer: 13 Tests Used For Diagnosis

Blood tests can be ordered by a doctor to investigate for cancer. Some cancer cells and tumors can produce substances, also known as tumor markers, that will become elevated in the presence of cancer. Learn more about blood tests for cancer.

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Hemoglobin Levels: High or Low Results (& What They Mean)

Hemoglobin is a component of red blood cells that serves to transport oxygen to tissues. Abnormal hemoglobin levels can be signs of illnesses like anemia, thalassemia and dehydration. Learn about what a high hemoglobin or low hemoglobin lev.

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Calcium Oxalate Crystals in Urine: 5 Causes (& Treatment)

Crystal oxalate crystals in the urine are often a consequence of diet changed or reduced fluid intake. However, if the patient presents with other symptoms or abnormalities in the urine, it may be a sign of another condition, like kidney stones. Learn more about what causes crystal oxalate crystals in the urine.

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High Cortisol Levels: Symptoms, Diagnosis, Causes & Treatment

Excess stress and prolonged use of corticosteroids are the main causes of high cortisol levels. Learn more about the symptoms associated with high cortisol, how it is diagnosed, the possible causes and treatment. Also see why cortisol level.

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Leptin: What Is It, Reference Ranges & Treating High Levels

Leptin is a hormone produced by fat cells and is related to appetite management. In some cases, like in patients with obesity, leptin levels can be high. Learn what leptin does in our body, what the normal levels should be and what high leptin levels can mean.

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Creatinine Clearance: What Is It, Normal Range & Calculator

Creatinine clearance tests are ordered by the doctor to evaluate kidney function and monitor for response to treatment. This value can become abnormal in the presence of a kidney injury or a heart issue. Learn more about what a normal creatinine clearance result is, and what a high or low result means .

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HDL Cholesterol: Normal Ranges & How to Increase

HDL cholesterol is often referred to as "good cholesterol" because it is important for the prevention cardiovascular diseases. This cholesterol helps to eliminate fat in the blood before it starts to accumulate. Learn more about the normal ranges, what causes low levels, and how to increase HDL .