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The gamma GT test is another term for the gamma-glutamyl transpeptidase (GTT) screening. It is an extremely comprehensive examination that looks for liver office or potential liver disease. This test measures the blood level of GGT, a liver enzyme that serves a key part as a send molecule, and helps the liver metabolize substances, such as drugs, alcohol, and toxins. Read on to larn about GGT, why the examination is ordered, and what elevated levels may mean.

Why Is the GGT Examination Ordered?

Dissimilar some other routine claret tests, the gamma GT exam is ordered because your doc suspects liver affliction. It is not part of a complete blood count (CBC) or other batteries of tests that cheque for overall health. The GGT test is the gold standard to measure the enzyme function in the liver. Information technology is often ordered for those who endure from booze use disorder (AUD), who may have done damage to their liver. However, liver harm can also be caused by poison ingestion, drug abuse, and other diseases. All toxins must filter through the liver, and if there is an overabundance of toxins at a given time or over a menstruation of time, the liver may incur damage.

W chapeau Are the Symptoms of Liver Issues?

If your doctor has ordered a GGT exam, he or she either suspects liver problems, or yous are presenting with symptoms that indicate a liver condition. Some common symptoms of liver problems include:

Dark urine
Low-cal-colored feces
Jaundice (yellowing of the skin and eyes)
Lethargy
Abdominal pain
Nausea and/or airsickness
Lack of appetite
Itchy skin

Information technology is true that many of these symptoms may be indicative of other problems, such equally gastrointestinal upset. Your doctor may want to dominion out a liver problem to find the correct diagnosis.

W hat Are Normal and High Gamma GT Levels?

Normal GGT levels fall betwixt 0 and 30 international units per liter (IU/50), for both children and adults, though these levels may be slightly higher in newborn infants. Levels of GGT can also vary depending on circumstances. If a person with alcohol use disorder has had a drink the night earlier the exam, the examination could be wildly elevated. All the same, a person with AUD who has had even a short menses of sobriety may have a normal level. Unless the liver is permanently damaged, every bit with cirrhosis (scarring of the liver), information technology is extremely elastic and tin can "bounce back," fifty-fifty from high levels of GGT and moderate liver damage. If booze is the culprit, however, the person must maintain sobriety in club for the liver to recover. High GGT levels are any level above the thirty international units per liter mark.

West hat Are Other Causes of High GGT?

Alcohol corruption is most often the cause of high GGT levels, but at that place tin can exist other reasons. Loftier gamma GT levels may also be acquired by hepatitis, liver tumor, cirrhosis of the liver, diabetes, pancreatitis, and nonalcoholic fat liver disease (NAFLD). If your GGT level is high, your doctor will likely desire to lodge further tests to check your liver.

W hat Other Tests Bank check Liver Performance?

A GGT examination is the most comprehensive of the liver function tests. Still, your md may want to order other tests, or perform more invasive procedures, such as a liver biopsy. Other liver function tests include the alanine transaminase (ALT) exam, the aspartate aminotransferase (AST) test, and the alkaline phosphatase (ALP) test. These are all enzyme blood tests.

Due west chapeau Is the Outlook for Liver Disease?

With the exception of cirrhosis, which is irreversible, the outlook for liver disease as it relates to alcoholism or booze abuse is fairly positive, provided the patient stops drinking and maintains sobriety. The liver is a versatile organ, and can easily revert dorsum to its original functioning provided information technology is no longer having to filter high levels of toxins (such as alcohol). Liver disease with respect to alcohol for a patient who is unable to stop drinking has a poor prognosis. Many cases of liver disease will progress to cirrhosis, which is oft terminal.