Gamma-glutamyl transferase (GGT) is an enzyme that is found in many organs throughout the body, with the highest concentrations found in the liver. GGT is elevated in the blood in most diseases that cause damage to the liver or bile ducts. This test measures the level of GGT in a blood sample.
Normally, GGT is present in low levels, but when the liver is injured, the GGT level can rise. GGT is usually the first liver enzyme to rise in the blood when any of the bile ducts that carry bile from the liver to the intestines become obstructed, for example, by tumors or stones. This makes it the most sensitive liver enzyme test for detecting bile duct problems.
However, the GGT test is not very specific and is not useful in differentiating between various causes of liver damage because it can be elevated with many types of liver diseases, such as liver cancer and viral hepatitis, as well as other non-hepatic conditions, such as acute coronary syndrome. For this reason, the GGT test is not recommended for routine use by itself. However, it can be useful in conjunction with other tests and in determining the cause of a high alkaline phosphatase (ALP) level, another enzyme found in the liver.
Both GGT and ALP are increased in liver diseases, but only ALP will be increased with diseases affecting bone tissue. Therefore, GGT can be used as a follow up to an elevated ALP to help determine if the high ALP result is due to liver or bone disease.
GGT levels are sometimes increased with consumption of even small amounts of alcohol. Higher levels are found more commonly in chronic heavy drinkers than in people who consume less than 2 to 3 drinks per day or who only drink heavily on occasion (binge drinkers). The GGT test may be used in evaluating someone for acute or chronic alcohol abuse.
Gamma-Glutamyl Transpeptidase; GGT; Gamma-GT; GTP; Gamma-Glutamyl Transferase.
Liver Disease; Bile Duct Injury; Bone Diseases.
To evaluate for a possible liver disease or bile duct disease or to differentiate between liver and bone disease as a cause of elevated alkaline phosphatase (ALP); sometimes to screen for or monitor alcohol abuse. When you have symptoms of a liver or bile duct disorder or as follow up when you have an increased ALP level.
A GGT test may be ordered when someone has an elevated ALP level. An ALP test may be ordered alone or as part of a routine liver panel to screen for liver damage, even if no symptoms are present. A GGT test may be ordered when results of the ALP test are high but other tests that are part of the liver panel (such as AST and ALT) are not increased.
GGT may be ordered along with or as a follow up to other liver function tests when a person has signs or symptoms that suggest liver disease. Some signs and symptoms of liver damage include:
We at iHealthMantra enable patients to book their diagnostics tests from best Diagnostics Labs in India such as Thyrocare, Dr Lal Pathlabs, Metropolis, Suburban Diagnostics, Medall Clumax and many others top quality diagnostic labs. Diagnostics tests booked through us are at low price and patients can avail free home sample collection.
We also provide preventive health checkups, Regular Health check-up, Health checkup packages, Thyroid Profile, PET Scan, MRI Scan, CT Scan, Full body check up, Vitamin D Profile, Lipid Profile, Renal Function Tests and other blood tests. Provided below is a brief description of few of our partner labs.
Thyrocare, with its tag line of Think Thyroid, Think Thyrocare, is India's first fully automated diagnostic laboratory with a focus on providing quality at affordable costs to retail customers, laboratories and hospitals in India and other countries. Thyrocare has strong focus on technology, brand and systems that enables Thyrocare laboratories to give their clients the best of science and technology at an affordable cost. Thyrocare laboratories have NABL and CAP accreditations. Thyrocare supports home sample collection to provide convenience to customers.Thyrocare is a PAN India chain with services across all the major Indian cities such New Delhi, Mumbai, Pune, Bangalore, Chennai, Hyderabad and Kolkata.
Key tests and health profiles supported by Thyrocare are: T3, T4, TSH also called Thyroid Profile, TSH also called Thyroid Stimulating Hormone, Thyrocare Aarogyam Packages such as Mini Aarogyam, Aarogyam A, Aarogyam B, Aarogyam C, Vitamin Profiles such as Vitamin D Profile and Vitamin D3 test.
Metropolis is India?s one of the biggest and multinational chain of pathology labs and diagnostics centre known for excellent customer satisfaction and preventive healthcare. Metropolis has following accreditations, CAP, NABL and RNTCP. Metropolis Healthcare has been honoured for its best practices and its commitment to excellence in customer satisfaction and innovation. The journey of Metropolis started in 1981, when its Founder and Chairman, Dr. Sushil Shah had a vision to introduce specialized testing facilities to the Indian population. Processing over 30 million tests a year, catering to over 20,000 Laboratories, Hospitals, Nursing Homes and 2,00,000 consultants; and with 34 years of experience in delivering accurate reports, Metropolis has earned the reputation of being India's multinational chain of laboratories with a strong presence in Sri Lanka, UAE, South Africa, Kenya, Mauritius & Ghana. Metropolis supports home sample collection to provide convenience to customers. Metropolis is a PAN India chain with services across all the major Indian cities such New Delhi, Mumbai, Pune, Bangalore, Chennai and Hyderabad.
Common Tests supported by Metropolis are Lipid Profile, Thyroid Profile, Vitamin D Profile, Renal function test, Blood Tests, Vitamin D3, TSH, T3, T4, Diabetes Test, ECG test, thalassemia test, preventive health checkups, Regular Health check-up, Health checkup packages and Full body check up.
About Dr Lal Pathlabs
Dr Lal PathLabs is a leading Diagnostic Centre and Pathology Lab for Blood Test in India. Dr Lal PathLabs has a strong focus on quality with NABL accreditation. Dr Lal PathLabs has a qualified team of Pathologists, Radiologists, Microbiologists, Biochemists and specialists. Dr Lal PathLabs supports home sample collection to provide convenience to customers. Dr Lal PathLabs is a PAN India chain with services across all the major Indian cities such New Delhi, Mumbai, Pune, Bangalore, Chennai, Hyderabad and Kolkata.
Common Tests supported by Dr Lal PathLabs are Lipid Profile, Thyroid Profile, Vitamin D Profile, Renal function test, Blood Tests, Vitamin D3, TSH, T3, T4, Diabetes Test, ECG test, thalassemia test, preventive health checkups, Regular Health check-up, Health checkup packages and Full body check up. Few unique health packages supported by Dr Lal PathLabs are Swasth Plus Basic Health Checkup, Swasth Plus Advanced Health Checkup and Swasth Plus Vitamins Package.
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