Liver Kidney Microsomal (LKM-1) Antibody (IgG)
Fasting Required: Yes 10-12 hours

Specimen: Blood

Lab: Quest Diagnostics

Results: 7-10 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Description: The presence of LKM-1 antibodies can be used in conjunction with clinical findings and other laboratory tests to aid in the diagnosis of autoimmune liver diseases such as autoimmune hepatitis (AIH-2).

The liver kidney microsome type 1 antibody (anti-LKM-1 or CYP2D6 antibody) test is primarily used along with a smooth muscle antibody (SMA) and an antinuclear antibodies (ANA) test to help diagnose autoimmune hepatitis and to differentiate between the two major types, type 1 and type 2.

Alternative Name(s): Liver Kidney Microsomal Type 1 Antibodies; LKM1 Antibodies; Anti-Liver/Kidney Microsomal Antibodies Type 1; Anti-LKM1; and Anti-P450 2D6 Antibody