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Test ID BLOD0489 Diphtheria Toxoid IgG Antibody, Serum

Useful For

Determining a patient’s immunological response to diphtheria toxoid vaccination


An aid in the evaluation of immunodeficiency

Method Name

Enzyme Immunoassay (EIA)

Reporting Name

Diphtheria Toxoid IgG Ab, S

Specimen Type


Specimen Required


Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL

Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 30 days
  Frozen  30 days

Reject Due To


Mild OK; Gross reject


Mild OK; Gross reject


Mild OK; Gross reject



Reference Values

Vaccinated: Positive (≥0.01 IU/mL)

Unvaccinated: Negative (<0.01 IU/mL)

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

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
DIPGS Diphtheria Toxoid IgG Ab, S 48654-8


Result ID Test Result Name Result LOINC Value
DIPG Diphtheria IgG Ab 45166-6
DEXDP Diphtheria IgG Value 48654-8