Toxoplasma pregnancy panel-994

Test info

  
Toxoplasma pregnancy panel
  
994
  
LAB994
  
MSO
  
Toxoplamosis
  

Pregnant patients (>16 weeks gestation):

  • IgG
  • IgM
  • Avidity

Pregnant patients (≤16 weeks gestation):

  • IgG
  • IgM
  • AC/HS
  

Testing is only available for pregnant patients with a positive Toxoplasma IgM test result or suspected to have acute toxoplasmosis.

Specimen

  
Serum
  
  
1.0 mL
  
0.5 mL
  
  • Only collect samples Mo – Th
  • Immediately following collection, mix sample by gently inverting 5 times
  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within 45 minutes of sample collection
  3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum
  
  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within 45 minutes of sample collection
  3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum
  

Only send out specimens on Mo – Th; No Fridays, weekends or holidays.

Refrigerated (preferred) - 7 days

Ambient - 7 days

Frozen - 30 days

  
  • Grossly hemolyzed, icteric, lipemic specimens
  • Cacterially contaminated specimens cannot be tested

Performance

  
Pregnant patients (>16 weeks gestation) - LabCorp (830287): R-NX
Pregnant patients (≤16 weeks gestation) - LabCorp (830293): R-NX
  
Mo - Fr
  
7 days
  

Pregnant patients (>16 weeks gestation):

  • IgG - Dye test
  • IgM -  ELISA
  • Avidity 

Pregnant patients (≤16 weeks gestation):

  • IgG - Dye test
  • gM - ELISA
  • AC/HS

Clinical and Interpretive info

  

IgG (Dye test):

Negative: < 1:16

Positive:   > 1:16

IgM ELISA: 

Negative:  0.0 - 1.6

Equivocal: 1.7 - 1.9

Positive:  >2.0 (serum)

Avidity: 

Reference range: high avidity excludes infection within the previous 4 months

AC/HS: 

See report

Billing

  
LabCorp test: 830287
86777
86778
86406 x 2

LabCorp test: 830293
86777 x 2
86778

Tracking

  
04/19/2021
  
01/12/2024
  
01/03/2024