Toxoplasma IgG Avidity, Blood

Diagnostic Use

Toxoplasma IgG avidity only available on Toxoplasma IgG positive samples

Department

Microbiology - Serology

Delphic Registration Code

TOXO

Laboratory Handling

Laboratory

Toxoplasma IgG avidity only available on Toxoplasma IgG positive samples

Turnaround Time

5 days

Test Code

0329

Specimen Type

• Serum

Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Preferred if West Coast

• SST II (Gold Cap)

Acceptable

• SST II (Gold Cap)

Preferred Sample Volume (ml)

10.0

Minimum Sample Volume (ml)

5.0

No of Samples Required

1

Pre-testing Requirements

Toxoplasma IgG avidity only available on Toxoplasma IgG positive samples

Aliquot Instructions

Sample Type

• Serum

Minimum Volume (ml)

0.5

Transport to Lab

Chilled (2 - 8 degrees Celsius)
If overnight - Chilled (2 - 8 degrees Celsius)

Additional Referral/Aliquot Information

Preferred aliquot 1ml.

Interpretation

Low Avidity or Borderline Avidity – does not enable a recent infection to be differentiated from an old infection

High Avidity – is a strong indication of a primary infection dating back more than 4 months

 

Reference Intervals

Reported as High Avidity or Low Avidity or Borderline Avidity

 

Test Method

ELFA on mini Vidas

Non-Funded Test Cost

$70.93 (Exclusive of GST)

Billing Code

329

Contact Information

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