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Labcorp Oklahoma, Inc.
Test Directory


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Mitochondrial M2 Antibody, IgG

Order Name MITOCH M2
Test Number: 5574400
Revision Date 06/26/2023
Test Name Methodology LOINC Code
Mitochondrial M2 Antibody, IgG
Chemiluminescence, Immunoassay 14251-3 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 0.5mL (0.3) Serum Clot Activator SST Refrigerated
Instructions Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL(Min: 0.3 mL) to a Standard Transport Tube.
Unacceptable Conditions: Plasma. Contaminated, hemolyzed, grossly icteric, or severely lipemic specimens.
Stability After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
GENERAL INFORMATION
Testing Schedule Mon-Fri 
Expected TAT 1-2 days  
Clinical Use Mitochondrial Antibody is present in approximately 95% of patients with primary biliary cirrhosis (PBC). Mitochondrial M2 Antibody has an even higher specificity for PBC. 
CPT Code(s) 86381
Lab Section Immunology - Serology