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Alphabetical Index
Toxoplasma gondii Antibody, IgG (8000100255)
Test Mnemonic:
Specimen Requirements:
Collection:

Serum separator tube (SST) or Red Top serum tube with no additive
Container:

Serum separator tube (SST) or Red Top tube with no addtitive
Minimum Volume:

3 mL of blood (1mL of serum)
Storage/Transport:

Refrigerate (2-8°C) up to 7 days; Samples should be frozen (<-20°C)
Stability:

Refrigerate (2-8°C) up to 7 days; Samples should be frozen (<-20°C)
Causes for Rejection:

Insufficient quantity, gross hemolysis, lipemia Specimen container unlabeled or labeled incorrectly. No date and time of collection on order.
Specimen Preparation:

Within two hours of collection, centrifuge. Serum collected in a red top should be removed from the red cells if testing will be delayed. 
Methodology:

Multiplex bead immunoassay
Performed:

Clinical Microbiology
Turnaround Time:

Test is performed in batch, once per day, six days a week 
Reference Range:

Positive--antibodies to toxoplasma detected.  Negative--no detectable antibodies to toxoplasma
CPT 4 Code:

86777
Note:

A positive result indicates prior exposure. IgM testing, PCR or other specialized tests are necessary to determine acute primary infection.

Previously positive patients do not require further testing.

 
Synonyms:

Toxoplasma antibody, IgG; Toxo antibody, IgG; TOXG
Patient Preparation :

Routine venipuncture
Clinical Indication:

Screen  for past or recent infection with Toxoplasma gondii
Effective Date: 03/25/2021
Reviewed By/Date: Williams-Bouyer, Natalie - 03/08/2019
Approved By/Date: Williams-Bouyer, Natalie - 10/24/2024
When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.

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