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HelpTest Code TOXO Toxoplasma Antibodies, IgG and IgM
Synonyms/Keywords
Toxoplasmosis Antibodies, Toxoplasma gondii, Toxoplasmosis, IgG/IgM
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Serum | Serum Separator Tube (SST) | Red Top Tube (RTT) | 1.0 mL | 0.5 mL | 0.5 mL |
Collection/Processing Instructions
Specimens collected in gel-barrier tubes must be centrifuged within one hour of collection.
Specimens collected in gel-barrier tubes must be removed from the primary tube prior to transporting to Marshfield. Do not send primary collection tube(s).
Serum from samples collected in an RTT must be removed from the clot within one hour for storage or transport.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated | 2 days |
| Frozen | > 2 days |
Rejection Criteria
Hemolyzed specimens, Lipemic specimens
Interpretations
If active or acute toxoplasmosis is suspected, the CDC recommends confirmatory testing of all equivocal or positive Toxoplasma IgG and/or IgM results through the reference laboratory at Palo Alto Medical Foundation. Please follow the link below to fill out the appropriate requisition form for confirmatory testing and fax to Marshfield Labs Customer Service at 715-221-6215.
https://www.sutterhealth.org/pamf/services/lab-pathology/serology-forms
Internal Lab Processing Note: Order as a MISC and send sample, completed Sutter Health form, and copy of results to ARUP. ARUP will forward the sample.
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| Marshfield |
IgM: Negative IgG: Negative |
Marshfield Labs Performing Department
Marshfield Labs Immunodiagnostics
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Friday | 1 day | Multiplex Immunoassay/Biorad Bioplex 2200 |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 86777 | 1 | Toxoplasma, IgG | ||
| 86778 | 1 | Toxoplasma, IgM |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 86777 | 1 | Toxoplasma, IgG | ||
| 86778 | 1 | Toxoplasma, IgM |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Toxoplasma Antibody IgG and IgM |