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Test Code TOXOM Toxoplasma gondii Antibody, IgM and IgG (Separate Determinations), Serum

Additional Codes

 

MAYO Test ID

TXMGP

EPIC Test ID

LAB2744

 

Useful For

Determining whether a patient has had previous exposure to or recent infection with Toxoplasma gondii

Profile Information

Test ID Reporting Name Available Separately Always Performed
TXM Toxoplasma Ab, IgM, S Yes Yes
TOXGP Toxoplasma Ab, IgG, S Yes Yes

Method Name

TXM: Enzyme Immunoassay (EIA)

TOXGP: Multiplex Flow Immunoassay (MFI)

Reporting Name

Toxoplasma Ab, IgM and IgG, S

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 1.5 mL


Specimen Minimum Volume

1.2 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross reject

Icterus

NA

Other

Heat-inactivated specimen

Reference Values

Toxoplasma IgM

Negative

 

Toxoplasma IgG

Negative

 

Toxoplasma IgG Value

≤9 IU/mL (Negative)

10-11 IU/mL (Equivocal)

≥12 IU/mL (Positive)

Day(s) and Time(s) Performed

Monday through Friday, 9 a.m.

Analytic Time

Same day/1 day

Performing Laboratory

Mayo Medical Laboratories in Rochester

CPT Code Information

86778 -Toxoplasma IgM

86777 - Toxoplasma IgG

LOINC Code Information

Result ID Test Result Name Result LOINC Value
TOXG Toxoplasma Ab, IgG, S 40677-7
TXM Toxoplasma Ab, IgM, S 40678-5
DEXG6 Toxoplasma IgG Value 8039-0