58941:TORCH ANTIBODIES, IgM

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58941:TORCH ANTIBODIES, IgM
Methodology: Enzyme-Linked Immunosorbent Assay (ELISA) / Chemiluminescence (CL)
Edit Date: 3/13/2009
Components: Cytomegalovirus (CMV) Antibody, IgM / Herpes Simplex Virus (HSV) I & II Antibodies, IgM / Rubella Antibody, IgM / Toxoplasmosis Antibody, IgM
Performed: See individual tests
Released: 5-7 days
CPT Code: 86645 / 86694 / 86778 / 86762-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube.
Handling: Allow to clot, centrifuge and separate serum from cells immediately. Refrigerate. Freeze at -20° C if specimen will not be assayed within 24 hours. Allow no more than one freeze/thaw cycle. If multiple tests are ordered, send separate specimen for this test.
Standard Volume: 2 mL serum.
Minimum Volume: 0.8 mL serum.
Transport: Refrigerated or frozen on dry ice.
Rejection Criteria: Gross lipemia or gross hemolysis; icteric specimen; heat inactivation; bacterial contamination; specimen frozen and thawed more than once; refrigerated specimen received in laboratory more than 24 hours after collection.

*Cytomegalovirus (CMV) Antibody, IgM <0.9 IV
Negative: No significant level of detectable CMV IgM antibody.
0.9-1.0 IV
Equivocal: Repeat testing in 10-14 days may be helpful.
>1.0 IV
Positive: IgM antibody to CMV detected, which may indicate a current or recent infection.
*Herpes Simplex Virus (HSV) 1 & 2 Antibodies, IgM < 0.90 IV
Negative: No significant level of detectable HSV antibody.
0.90-1.09 IV
Equivocal: Repeat testing in 10-14 days may be helpful.
≥ 1.10 IV
Positive: IgM antibody to HSV detected, which may indicate a current or previous HSV infection.
*Rubella Antibody, IgM <0.90 IV
Negative: No significant level of detectable Rubella IgM antibody.
0.90-1.09 IV
Equivocal: Repeat testing in 10-14 days may be helpful.
≥ 1.10 IV
Positive: IgM antibody to Rubella detected which may indicate a current or recent infection or immunization.
*Toxoplasma Antibody, IgM ≤ 0.89 S/CO
Negative: Non-reactive for IgM antibody to Toxoplasma gondii.
0.90-1.09 S/CO
Equivocal: Repeat testing in 10-14 days may be helpful.
≥ 1.10 S/CO
Positive: Reactive for IgM antibody to Toxoplasma gondii.
IV = Index Value S/CO = Sample to Cut-Off Ratio *For additional information, refer to individual test.