58921:TORCH ANTIBODIES, IgG

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58921:TORCH ANTIBODIES, IgG
Methodology: Enzyme-Linked Immunosorbent Assay (ELISA) / Chemiluminescence (CL) / Multiplex Flow Immunoassay (Luminex)
Edit Date: 6/11/2010
Components: Cytomegalovirus (CMV) Antibody, IgG / Herpes Simplex Virus (HSV) 1 & 2 Antibodies, IgG / Rubella Antibody, IgG, Quantitative / Toxoplasma Antibody, IgG
Performed: See individual tests
Released: 5-7 days
CPT Code: 86644 / 86695 / 86696 / 86762 / 86777
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 cannot 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; gross hemolysis; icteric specimens; 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, IgG <0.90 IV
Negative: No significant level of detectable CMV IgG antibody.
0.9-1.0 IV
Equivocal: Repeat testing in 10-14 days may be helpful.
≥ 1.10 IV
Positive: IgG antibody to CMV detected which may indicate current or previous CMV infection.
*HSV type 1 Glycoprotein G-Specific Antibody, IgG <0.9 AI
Negative: No significant level of detectable IgG antibody to HSV type 1 glycoprotein G.
0.9-1.0 AI
Equivocal: Questionable presence of IgG antibody to HSV type 1. Repeat testing in 10-14 days may be helpful.
≥1.1 AI
Positive: IgG antibody to HSV type 1 glycoprotein G detected, which may indicate a current or previous HSV infection.
*HSV type 2 Glycoprotein G-Specific Antibody, IgG <0.9 AI
Negative: No significant level of detectable IgG antibody to HSV type 2 glycoprotein G.
0.9-1.0 AI
Equivocal: Questionable presence of IgG antibody to HSV type 2. Repeat testing in 10-14 days may be helpful.
≥1.1 AI
Positive: IgG antibody to HSV type 2 glycoprotein G detected, which may indicate a current or previous HSV infection.
*Rubella Antibody, IgG, Quantitative <10.0 IU/mL
Non-immune: No significant level of detectable Rubella IgG antibody.
10.0-14.9 IU/mL
Equivocal: Repeat testing in 10-14 days may be helpful.
≥ 15.0 IU/mL
Positive: Immune, IgG antibody to Rubella detected, which may indicate a current or previous exposure/immunization to Rubella.
*Toxoplasma Antibody, IgG <2.0 IU/mL
Negative: No significant level of antibody present. No exposure or infection is likely.
2.0-2.9 IU/mL
Equivocal: Repeat testing in 10-14 days may be helpful.
≥ 3.0 IU/mL
Positive: IgG antibody to Toxoplasma gondii detected, which may indicate acute or past infection.
*For additional information, refer to individual test. IU/mL = International Units/mL IV = Index Value AI = Antibody Index

PeaceHealth Laboratories