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Test Directory

Toxoplasma Antibody (IgM)

Test Summary

T. gondii IgM is typically detected within a few days of infection, peaks within a few weeks, and usually falls to undetectable levels within a few months. In some patients, however, T. gondii IgM persists for more than a year; Thus, detection of T. gondii IgM does not necessarily indicate recent or ongoing toxoplasmosis.

Aliases

  • N/A

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Instructions

N/A

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 4 days
  • Refrigerated: 7 days
  • Frozen: 30 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis, grossly lipemic

Order Code

TOXOPM

EPIC (Premier) Code

LAB5504

Includes

N/A

CPT Code

  • 86778

Billing Code

  • 700000

CPT Statement

Methodology

Immunoassay (IA)

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153

Reference Range

AU/mL Interpretation
<8.00 Negative
8.00-9.99 Equivocal
>9.99 Positive

Setup Schedule / Expected Turnaround Time

Monday, Wednesday, Friday; Report available: 1 - 4 days

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Instructions

N/A

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 4 days
  • Refrigerated: 7 days
  • Frozen: 30 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis, grossly lipemic

Billing

CPT Code

  • 86778

Billing Code

  • 700000

CPT Statement

Result Information

Methodology

Immunoassay (IA)

Testing Laboratory

N/A

Reference Range

AU/mL Interpretation
<8.00 Negative
8.00-9.99 Equivocal
>9.99 Positive

Setup Schedule / Expected Turnaround Time

Monday, Wednesday, Friday; Report available: 1 - 4 days