Mitochondria M2 Antibody (IgG), EIA

Test Code

LAB724

Quest Code

30321

Alias/See Also

AMA; AMAM2

CPT Codes
86381

Preferred Specimen

1 mL serum

Minimum Volume

0.3 mL

Instructions

Centrifuge serum specimens within 1 hour of collection

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Methodology
Enzyme Immunoassay (EIA)

Setup Schedule

Sets up 1 day a week.

Reference Range

Negative	≤20.0 U
Equivocal	20.1 - 24.9 U
Positive	≥25.0 U

Clinical Significance

Mitochondrial antibody is present in approximately 95% of patients with Primary Biliary Cirrhosis (PBC). Mitochondrial M2 antibody has an even higher specificity for PBC.

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.