GGT (Gamma-Glutamyltransferase)
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Fragen und Antworten zu GGT Gamma-GT
What is the respective laboratory value?
GGT is an enzyme that occurs in the liver, bile ducts, and kidneys. The laboratory value measures the GGT concentration in the blood and is used to assess liver and bile duct diseases.
For whom is such a test to be considered?
A GGT test is recommended for: • People with symptoms such as fatigue, jaundice or pain in the right upper abdomen • Patients with suspected liver or biliary tract diseases (e.g. hepatitis, bile duct obstruction) • People with suspected alcohol abuse • Monitoring of patients with known liver diseases
What is it used for?
The test serves to diagnose liver and biliary tract diseases, to monitor liver damage caused by alcohol or medication, and to clarify unclear upper abdominal complaints.
What can be inferred from that?
Here is the translation: An elevated GGT value can indicate the following conditions: • Chronic alcohol abuse • Liver diseases such as hepatitis or fatty liver • Bile duct obstruction (cholestasis) Symptoms of elevated GGT can include: • Jaundice or itching • Fatigue or weakness A low GGT value is unremarkable.
What is the ideal time for a test?
The testing can be carried out at any time of the day. Alcohol and high-fat foods should be avoided before the testing, as they can temporarily increase the values.
Particularly interesting?
• GGT is a sensitive but non-specific marker for liver diseases and should always be interpreted in combination with other liver values such as ALT and AST. • Chronic alcohol abuse often significantly increases GGT, which is used in addiction medicine to monitor the course of the disease. • Certain medications such as anticonvulsants or statins can influence the GGT value.