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Liver Kidney Microsomal (LKM-1) Antibody (IgG)
Test CodeAMICLK
Quest Code
15038
Alias/See Also
15038
CPT Codes
86376
Preferred Specimen
1 mL serum
Minimum Volume
0.3 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic
Methodology
Immunoassay (IA)
Setup Schedule
A.M. Sets up 3 days a week.
Reference Range
≤20.0 U | Negative | |
20.1-24.9 U | Equivocal | |
≥25.0 U | Positive |
Clinical Significance
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).
Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130