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Test Code BLOD1277 Endomysial (EMA) IgG antibody titer

Additional Codes

Mayo Test Code: FEGAT

Profile Information

Test ID Reporting Name Available Separately Always Performed
FEMAS Endomysial (EMA) Ab (IgG) screen No Yes
FEMAT Endomysial (EMA) Ab (IgG) titer No No

Testing Algorithm

Endomysial (EMA) antibody (IgG) titer is performed at NO additional charge if the screen is positive.

Specimen Type


Specimen Required

Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 3 mL of serum frozen in a plastic vial.

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 365 days
  Ambient  30 days
  Refrigerated  30 days

Reject Due To




Warm OK; Cold OK







Reference Values

Negative: <1:2.5 titer

Positive: ≥ 1:2.5 titer

Day(s) and Time(s) Performed

Monday through Friday

Performing Laboratory

IMMCO Diagnostics, Inc.

Test Classification

This test has been developed and performance parameters have been validated by IMMCO Diagnostics, Inc. This test has not been approved by the U.S. Food and Drug Administration (FDA); however, US FDA approval is not required for clinical use. It is not intended that clinical diagnosis and patient management decisions be made using these results alone. This test has been validated using serum samples. The manufacturer has not determined the efficacy of this test when performed on CSF, plasma, joint or pleural fluid specimens. The performance characteristics of this test were determined by IMMCO Diagnostics Inc.

CPT Code Information

86255 - screen

86256 – titer (if appropriate)

Method Name

Immunofluorescence (IFA)