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St. John Health System
Lab Catalog


Index:

Toxoplasma Antibodies IgG and IgM

Order Name Toxo Ab G/M
Test Number: 5505626
Revision Date 02/08/2024
Test Name Methodology LOINC Code
Toxoplasma IgG Antibody
Chemiluminescence Assay 5388-4 
Toxoplasma IgG Antibody Interp
40677-7 
Toxoplasma IgM Antibody
Chemiluminescence Assay 5390-0 
Toxoplasma IgM Antibody Interp
12262-2 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5 mL) Serum Clot Activator SST Refrigerated or Frozen
Instructions Stability: Refrigerated 7 Days, Frozen 1 Year
GENERAL INFORMATION
Testing Schedule Mon-Sat 
Expected TAT 1-2 Days 
Notes As of 2.8.2024 this test will no longer reflex to the IgM IFA for confirmation
CPT Code(s) 86777, 86778
Internal Comments 10/23/17 vol and su - JK
2.8.2024 changing cpt code from 86777, 86778 (add CPT 86778 if Reflexed to .Toxo IgM IFA) to 86777, 86778 - bm removing reflex from this option
If Toxoplasma Antibodies IgM is equivocal or positive to the following test code is reflexed. (not available to order by itself only as reflex)
Order Code [5591800.Toxo IgM IFA
Result Codes: [5591800Toxo IgM IFA - LOINC: 5391-8
 
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Immunology - Serology