Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Detect prior exposure to T. gondii.
MnemonicUnique test identifier.
TOXEIGG
MethodologyProcess(es) used to perform the test.
Semi-quantitative Chemiluminescent Immunoassay
PerformedDays of the week the test is performed.
Sun-Sat
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
Within 24 hours
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Serum Separator Tube (SST).
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens.
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Contaminated, heat-inactivated, or grossly hemolyzed specimens.
Remarks
Label specimens plainly as acute or convalescent.
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (Avoid repeated freeze/thaw cycles)
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Effective March 3, 2014
7.1 IU/mL or less:
Not Detected.
7.2-8.7 IU/mL:
Indeterminate - Repeat testing in 10-14 days may be helpful.
8.8 IU/mL or greater:
Detected.
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
The best evidence for current infection is a significant change on two appropriately timed specimens, where both tests are done in the same laboratory at the same time.
The magnitude of the measured result is not indicative of the amount of antibody present.
This test should not be used for blood donor screening, associated re-entry protocols, or for screening Human Cell, Tissues and Cellular and Tissue-Based Products (HCT/P).
Compliance Category
FDA
NoteAdditional information related to the test.
Hotline History
N/A
CPT CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
AliasesOther names that describe the test. Synonyms.
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