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HelpTest Code TXM Toxoplasma IgM Antibody
Additional Codes
| Epic Ordering Code | LAB659 |
| NBS code | LBC01177 |
| Service code | 31856 |
Specimen Requirements
Submit only one of the following:
| Preferred: | Acceptable: |
| Yellow Top | Red Top |
Processing Requirements
Allow specimen to clot for 30 mins and centrifuge within 2 hours
Specimen type: Serum
Volume: 0.5mL
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 3 days |
| Refrigerate | 2 weeks (preferred) |
| Frozen | 1 year |
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Methodology
Chemiluminescent Immunoassay
Days and Times Performed
Monday, Wednesday, Friday, TAT 2 - 4 days
Reference Interval
Non-reactive
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Toxoplasma IgM “reactive” result may persist for years and may not be indicative of recent infection. Further testing and paired serology together with clinical investigation may be required.
Update
Last updated 28/07/2026
LOINC Code Information
40678-5
Alias
TOXOM
Toxoplasma IgM Antibody
Toxoplasma gondii Antibody