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| 58961:TORCH ANTIBODIES, IgG & IgM | |||||||||
| Alias Names: | TORCH PANEL / CMV | ||||||||
| Methodology: | Enzyme-Linked Immunosorbent Assay (ELISA) / Chemiluminescence / Multiplex Flow Immunoassay (Luminex) | ||||||||
| Edit Date: | 6/11/2010 | ||||||||
| Components: | Cytomegalovirus (CMV) Antibodies, IgG & IgM / Herpes Simplex Virus (HSV) 1 & 2 Antibodies, IgG & IgM / Rubella Antibodies, IgG (Quantitative) & IgM / Toxoplasmosis Antibodies, IgG & IgM | ||||||||
| Performed: | See individual tests | ||||||||
| Released: | 5-7 days | ||||||||
| CPT Code: | 86644 / 86645 / 86694 / 86695 / 86696 / 86762 / 86777 / 86778 / 86762-90 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | One 7.5 mL serum separator tube (SST). Also acceptable: 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. Keep frozen. If multiple tests are ordered, send a 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, IgG | <0.90 IV |
Negative: No significant level of detectable CMV IgG antibody.
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| 0.90-1.00 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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| *Cytomegalovirus (CMV) Antibody, IgM | <0.90 IV |
Negative: No significant level of detectable CMV IgM antibody.
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| 0.90-1.0 IV |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| >1.0 IV |
Positive: IgM antibody to CMV detected, which may indicate a current or recent infection.
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| *Herpes Simplex Virus (HSV) 1 & 2 Antibodies, IgG | < 0.9 AI |
Negative: No significant level of detectable HSV antibody.
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| 0.9-1.0 AI |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| ≥1.1 AI |
Positive: IgG antibodies to HSV detected, which may indicate a current or previous HSV infection.
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| *Herpes Simplex Virus (HSV) 1 & 2 Antibodies, IgG and IgM | ≤0.90 IV |
Negative: No significant level of detectable HSV antibody.
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| 0.90-1.09 IV |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| ≥1.10 IV |
Positive: IgM antibodies to HSV detected, which may indicate a current or previous HSV infection.
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| *Rubella Antibody, IgG, Quantitative | <10.0 IU/mL |
Negative: 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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| *Rubella Antibody, IgM | <0.90 IV |
Negative: No significant level of Rubella IgM antibody.
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| 0.90-1.09 IV |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| ≥ 1.10 IV |
Positive: IgM antibody to Rubella detected, which may indicate a current or recent infection or immunization.
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| *Toxoplasma IgG Antibody Result Interpretation | <6.5 IU/mL |
Negative: No significant level of antibody present. No exposure or infection is likely.
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| 6.5-8.0 IU/mL |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| ≥ 8.0 IU/mL |
Positive: IgG antibody to Toxoplasma gondii detected, which may indicate acute or past infection.
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| *Toxoplasma IgM Antibody Result Interpretation | ≤0.89 S/CO |
Negative: Non-reactive for IgM antibody to Toxoplasma gondii.
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| 0.90-1.09 S/CO |
Equivocal: Repeat testing in 10-14 days may be helpful.
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| ≥ 1.10 S/CO |
Positive: Reactive for IgM antibody to Toxoplasma gondii.
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| IU/mL = International Units/mL | |||||||||||||||||||
| IV = Index Value | |||||||||||||||||||
| AI = Antibody Index | |||||||||||||||||||
| S/CO = Sample to cut-Off Ratio | |||||||||||||||||||
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*For additional information, refer to individual test. |
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