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HelpTest Code TXM Toxoplasma IgM Antibody
Laboratory Code
LAB659
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) / Red Top
Volume: 5.0 mL / 6.0 mL blood
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 3 days |
| Refrigerate | 2 weeks (preferred) |
| Frozen | 1 year |
Methodology
Chemiluminescent Immunoassay
Days and Times Performed
Monday, Wednesday, Friday, TAT 2 - 4 days
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
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.
Service Code
31856
LOINC Code Information
40678-5
Alias
TOXOM
Toxoplasma IgM Antibody
Toxoplasma gondii Antibody
Update
Last updated 21/02/2025