Test Results For:
Toxoplasma IgM
Test Overview
- Test Name
-
Toxoplasma IgM
- Test Code
- TOXM
Short Description
TOX IgM
Test Name
Toxoplasma IgM
Test Code
TOXM
Category
Serology
TAT
Main Lab:
24
Hour(s)
Family Site:
1 Day(s)
Specimen(s)
1 x Venous blood - 5 mL Tube - Gold - SST-Serum Separator Tube
Specimen Type
SST-Serum Separator Tube
Specimen Format
Tube
Specimen Colour
Gold
Specimen Volume
5 mL
Sampling Order
2
Origin
Venous blood
Collection Time after baseline
-
Transport Temperature
2-8°C
Accepted Other Specimens
Lithium Heparin Plasma
TAT
Main Lab:
24
Hour(s)
Family Site:
1 Day(s)
Test Stability
Room Temp:
3 Day(s)
2–8°C:
14 Day(s)
Clinical Interest
Toxoplasmosis IgM assays are critical for diagnosing acute or recent infections with Toxoplasma gondii.
Diagnosis of Acute Infection:
- Recent Exposure: IgM antibodies are the first to appear following infection and indicate recent or ongoing infection. Detecting IgM is crucial for diagnosing acute toxoplasmosis.
- Symptomatic Patients: Patients presenting with symptoms like lymphadenopathy, fever, and muscle pain may have acute toxoplasmosis, which can be confirmed with IgM assays.
- Neonatal Screening: IgM testing in newborns can indicate congenital toxoplasmosis, as IgM does not cross the placenta from the mother, thus indicating an active infection in the infant.
- Risk of Reactivation: While IgM typically indicates recent infection, it can also appear in reactivated infections in immunocompromised patients (e.g., HIV/AIDS, organ transplant recipients).
Identifying IgM antibodies helps in prompt management to prevent severe complications.
Clinical Information Required
Date of pregnancy
Patient Collection Note
-
LOINC Code
262-2, 12262-2, 25542-2
Outwork
No