Smooth Muscle Antibodies (SMA): what a positive SMA screen means
Smooth Muscle Antibodies (SMA) are autoantibodies commonly associated with autoimmune hepatitis. Testing SMA provides comprehensive insight into liver-related immune activity and can support early detection of autoimmune liver conditions.
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Smooth Muscle Antibodies (SMA): what this test measures
This test detects the presence and level of smooth muscle antibodies in your blood. SMA targets proteins in smooth muscle tissue and is a key diagnostic marker for autoimmune hepatitis type 1.
Smooth Muscle Antibodies (SMA): why this value matters
Detecting SMA can help identify autoimmune hepatitis, which requires timely treatment to prevent liver damage. SMA may also be associated with primary biliary cholangitis and other liver conditions. Early identification supports better long-term liver health outcomes.
Smooth Muscle Antibodies (SMA): when is testing worthwhile?
Testing may be recommended when liver enzyme levels are elevated without a clear cause, when symptoms of liver disease are present, or as part of an autoimmune liver disease workup. Consult a healthcare professional for interpretation of results.
Smooth Muscle Antibodies (SMA): symptoms of a high or low value
Low Levels
Absence of smooth muscle antibodies is not typically associated with specific symptoms and is generally considered within the reference range
High Levels
Fatigue, abdominal discomfort in the upper right area, jaundice (yellowing of skin and eyes), dark urine, unexplained joint pain, loss of appetite, nausea
Smooth Muscle Antibodies (SMA): lifestyle and this value
Supporting liver health through a balanced diet, limited alcohol consumption, and maintaining a healthy weight can be beneficial. Avoiding unnecessary medications that may stress the liver is also recommended. Regular medical check-ups can help monitor liver function over time.
Smooth Muscle Antibodies (SMA): frequently asked questions
What is autoimmune hepatitis?
Can SMA be positive without liver disease?
Is autoimmune hepatitis treatable?
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Doctor's Assessment Included
Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.
Smooth Muscle Antibodies (SMA)
€81,-