Test Code ALMIT Mitochondrial Antibodies (M2), Serum
Reporting Name
Mitochondrial Ab, M2, SUseful For
Establishing the diagnosis of primary biliary cirrhosis
Performing Laboratory

Specimen Type
SerumSpecimen Required
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: 0.5 mL
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Refrigerated (preferred) | 21 days | |
Frozen | 21 days |
Reference Values
Negative: <0.1 Units
Borderline: 0.1-0.3 Units
Weakly positive: 0.4-0.9 Units
Positive: ≥1.0 Units
Reference values apply to all ages.
Day(s) and Time(s) Performed
Monday through Saturday; 11 a.m.
Test Classification
This test has been cleared, approved or is exempt by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
83516
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
AMA | Mitochondrial Ab, M2, S | 51715-1 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
AMA | Mitochondrial Ab, M2, S | 51715-1 |
Clinical Reference
1. Rich R, Fleisher T, Shearer W, et al: Inflammatory hepatobiliary cirrhosis. In Clinical Immunology Principles and Practice. Third edition. Philadelphia, Elsevier 2008 April 15
2. Muratori L, Granito A, Muratori P, et al: Antimitochondrial antibodies and other antibodies in primary biliary cirrhosis: diagnostic and prognostic value. Clin Liver Dis 2008;12:261-276
3. Kaplan MM, Gershwin ME: Primary biliary cirrhosis. N Engl J Med 2005;353(12):1261-1273
4. Van Norstrand MD, Malinchoc M, Lindor KD, et al: Quantitative measurement of autoantibodies to recombinant mitochondrial antigens in patients with primary biliary cirrhosis: relationship to levels of autoantibodies to disease progression. Hepatology 1997;25(1):6-11
Method Description
Enzyme immunosorbent assay with purified M2 antigens. This method detects both IgG and IgM antibodies to M2 antigens. Testing is performed on the Agility instrument by Dynex.(Package insert: Bio-Rad, Kallestad Anti-Mitochondrial Kit, Distributed by Bio-Rad Laboratories, Inc., Hercules, CA 04/14)
Analytic Time
1 dayReject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Gross icterus | OK |
Method Name
Enzyme Immunoassay (EIA)
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-General Request (T239)