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HelpTest Code TXG Toxoplasma IgG Antibody
Additional Codes
| Epic Ordering Code | LAB501 |
| NBS code | LBC01175 |
| Service code | 31855 |
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: < 1.6 IU/mL
Grey Zone : 1.6 – < 3.0 IU/mL
Reactive: ≥ 3.0 IU/mL
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
A “reactive” result suggests past toxoplasma infection
Update
Last updated 28/07/2026
LOINC Code Information
| Toxoplasma IgG value | 5388-4 |
|---|---|
| Toxoplasma IgG | 40677-7 |
Alias
TOXOG
Toxoplasma IgG Antibody
Toxoplasma gondii Antibody