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Test Code LAB1232399 Diphtheria Toxoid IgG Antibody, Serum

Important Note

Mayo code is DIPGS

Useful For

Determining a patient's immunological response to diphtheria toxoid vaccination

 

Aiding in the evaluation of immunodeficiency

Reporting Name

Diphtheria Toxoid IgG Ab, S

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

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

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject
Heat inactivated specimen Reject

Reference Values

Vaccinated: Positive (≥0.01 IU/mL)

Unvaccinated: Negative (<0.01 IU/mL)

Reference values apply to all ages.

Supportive Data

A total of 211 serum samples prospectively submitted to our reference laboratory for routine testing for antidiphtheria toxoid IgG antibodies by the Binding Site Anti-Diphtheria Toxoid IgG enzyme-linked immunosorbent assay (ELISA) were also evaluated by the EuroImmun Anti-Diphtheria Toxoid IgG ELISA and results are summarized in the table:

 

Table. Comparison of the EuroImmun and Binding Site Anti-Diphtheria Toxoid IgG ELISAs

 

Binding Site IgG ELISA

 

Positive

Negative

Total

EuroImmun IgG ELISA

Positive

206

0

206

Negative

4(a)

1

5

 

Total

210

1

211

a) 1 of 4 samples tested positive by the ARUP Quantitative Multiplex Bead assay for antidiphtheria toxoid IgG

% Positive Agreement: 98.1% (206/210); 95% CI: 95.0-99.4%

% Negative Agreement: 100% (1/1); 95% CI: 16.8-100%

% Overall Agreement: 98.1% (207/211); 95% CI: 95.1-99.4%

Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 4 days

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86317

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

Forms

If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.