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Beaumont Laboratory

Myocardial Antibody IgG

ARUP #50742, EPIC: LAB6304, SOFT: XMYAB

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.

Physician Office/Drawsite Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Min: 0.15 mL)

Rejection Criteria

  • Hemolyzed specimens.
  • Severely lipemic specimens.
  • Specimens not collected and processed as indicated.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT.

Performed

Monday - Friday.
Results available in 2-5 days.

Reference Range

Less than 1:20 - No antibody detected.

Test Methodology

Semi-Quantitative Indirect Fluorescent Antibody.

Interpretation

Myocardial antibodies are present following myocardial infarctions (28-31%), acute rheumatic fever (25-43%), and in post-pericardiotomy syndrome. All positives are titered to endpoint.

Clinical Utility

This assay aids in the diagnosis of myocarditis and rheumatic fever.

CPT Code

86255. Add 86256 if postive (reflexed).

Test Codes

ARUP #50742, EPIC: LAB6304, SOFT: XMYAB

Last Updated

10/13/2016

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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.