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- LKM-1 Antibodies
The detection of LKM-1 antibodies is an aid in the diagnosis of autoimmune hepatitis, type 2 (AIH-2). LKM antibodies are markers of AIH-2 which usually begins in childhood and generally affects children younger than 18 years of age. LKM antibodies are associated with a more serious progression of the disease. The disease is most common between the ages of 2 to 14 and is more frequent in females than males (8:1). LKM-1 antibodies have been reported in up to 8% of patients with chronic HCV infection.
A negative LKM-1 result does not rule out the presence of autoimmune hepatitis type 2. LKM-1 may be detected in some patients as a result of HCV infection and may not be the result of AIH-2.
Enzyme-linked immunosorbent assay (ELISA)
• Negative: 0.0−20.0
• Equivocal: 20.1−24.9
• Positive: >24.9
To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Maintain specimen at room temperature no longer than eight hours. Sample can be refrigerated for 48 hours. For longer storage, freeze sample at -20°C or lower.
Causes for Rejection
Hemolysis; lipemia; gross bacterial contamination; heat-treated specimen; specimen with preservative added
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|163980||Liver-Kidney Microsomal Ab||32220-6||163982||Liver-Kidney Microsomal Ab||Units||32220-6|