What is the Aminotransferase Aspartate Test? Why is the test done? Everything around this, that you should know, in this post, and of course our doctors are always there to help you. Just fill in your details in the form below and we will answer all your questions for FREE!
What is an AST test?
AST test i.e., aspartate aminotransferase test, is a blood test that is used to measure an enzyme AST which is concentrated in various cells of the body like the liver, heart, muscles, kidney, brain and RBCs but is mainly concentrated in the liver cells. This is helpful to diagnose liver damage as AST is released in blood when the cells get damaged.
Also Read: Cirrhosis of liver
What are the other names for AST?
Other names for AST include:
- Serum glutamicoxaloacetic transaminase test
- SGOT test
- Aspartate transaminase test
What is the normal range?
Normal ranges for AST are :
- Newborn:47-150 units/L
- Chlildren:9-80 units /L
- Males:10-40 units/L
- Females:9-32 units/L
What is the AST test used for?
It is used to monitor and diagnose liver problems and is useful for diagnosing other diseases.
What are the symptoms indicating the need for AST to be done?
The following symptoms are indicative of liver damage which may include:
- Frequent itching
- Swelling in ankles and legs
- Frequent itching
- Nausea
- Vomiting
- Fatigue
- Dark coloured urine
- Swelling in abdomen
What do altered AST levels mean?
Following are the conditions which present with high levels of AST :
- Cirrhosis
- Mononucleosis
- Hepatitis
- Pancreatitis
- Heart problems
- Liver cancer
Is there any preparation required to be done before the test?
It is used to monitor and diagnose liver problems and is useful for diagnosing other diseases also.
Are follow-up tests needed?
Yes, if the AST levels are altered then further investigations are done to determine the disease which include bilirubin, alkaline phosphatase, albumin and blood clotting factors. Also, further ultrasound and CT scan may be done of the liver.