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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.
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| 0.9-1.0 IV |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| ≥ 1.10 IV |
Positive: IgG antibody to CMV detected which may indicate current or previous CMV infection.
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| *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.
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| 0.9-1.0 AI |
Equivocal: Questionable presence of IgG antibody to HSV type 1. Repeat testing in 10-14 days may be helpful.
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| ≥1.1 AI |
Positive: IgG antibody to HSV type 1 glycoprotein G detected, which may indicate a current or previous HSV infection.
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| *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.
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| 0.9-1.0 AI |
Equivocal: Questionable presence of IgG antibody to HSV type 2. Repeat testing in 10-14 days may be helpful.
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| ≥1.1 AI |
Positive: IgG antibody to HSV type 2 glycoprotein G detected, which may indicate a current or previous HSV infection.
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| *Rubella Antibody, IgG, Quantitative | <10.0 IU/mL |
Non-immune: No significant level of detectable Rubella IgG antibody.
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| 10.0-14.9 IU/mL |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| ≥ 15.0 IU/mL |
Positive: Immune, IgG antibody to Rubella detected, which may indicate a current or previous exposure/immunization to Rubella.
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| *Toxoplasma Antibody, IgG | <2.0 IU/mL |
Negative: No significant level of antibody present. No exposure or infection is likely.
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| 2.0-2.9 IU/mL |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| ≥ 3.0 IU/mL |
Positive: IgG antibody to Toxoplasma gondii detected, which may indicate acute or past infection.
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| *For additional information, refer to individual test. | IU/mL = International Units/mL | IV = Index Value | AI = Antibody Index | ||||||||||||||||