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Antiactin Antibody (Smooth Muscle) and Antimitochondrial M2 Antibody

Antiactin Antibody (Smooth Muscle) and Antimitochondrial M2 Antibody is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
Antiactin antibody, ASMA; mitochondrial M2 antibody, M2 antibody, AMA.

Rationale
To assist in the differential diagnosis of chronic liver disease, typically biliary cholangitis.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Immunoassay, enzyme-linked immunosorbent (ELISA).


Actin smooth muscle antibody, IgG
NegativeLess than 20 units
Weak positive20–30 units
PositiveGreater than 30 units

Mitochondrial M2 antibody, IgG
NegativeLess than 20 units
Weak positive20.1–24.9 units
PositiveGreater than 25 units

Critical Findings and Potential Interventions
N/A

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Citation

Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Antiactin Antibody (Smooth Muscle) and Antimitochondrial M2 Antibody." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425324/all/Antiactin_Antibody__Smooth_Muscle__and_Antimitochondrial_M2_Antibody.
Bladh ML, Van Leeuwen AM. Antiactin Antibody (Smooth Muscle) and Antimitochondrial M2 Antibody. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425324/all/Antiactin_Antibody__Smooth_Muscle__and_Antimitochondrial_M2_Antibody. Accessed July 17, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Antiactin Antibody (Smooth Muscle) and Antimitochondrial M2 Antibody. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425324/all/Antiactin_Antibody__Smooth_Muscle__and_Antimitochondrial_M2_Antibody
Bladh ML, Van Leeuwen AM. Antiactin Antibody (Smooth Muscle) and Antimitochondrial M2 Antibody [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 July 17]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425324/all/Antiactin_Antibody__Smooth_Muscle__and_Antimitochondrial_M2_Antibody.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Antiactin Antibody (Smooth Muscle) and Antimitochondrial M2 Antibody ID - 425324 A1 - Bladh,Mickey Lynn, AU - Van Leeuwen,Anne M, BT - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425324/all/Antiactin_Antibody__Smooth_Muscle__and_Antimitochondrial_M2_Antibody PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -