Lab Test

Diphtheria Tetanus Antibody Titer, IgG

Test Codes

Mayo: DTABS, EPIC: LAB6008, Beaker: XDPT

Instructions

"Pre" and "post" diphtheria/tetanus vaccination specimens should be submitted for testing. "Post" sample should be drawn 30 days after immunization and, if shipped separately, must be received within 60 days of "pre" specimen. Please mark sample plainly as "pre-vaccine" or "post-vaccine."

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.8 mL)

Rejection Criteria

  • Gross hemolysis, icterus, or lipemia
  • Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.8 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): unacceptable
Refrigerated (2-8°C or 36-46°F): 30 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Mayo Clinic Laboratories in Rochester, MN.

Performed

Monday – Friday
Results available within 2-5 days.

Reference Range

By report.

Test Methodology

Enzyme Immunoassay (EIA).

Interpretation

By report.

CPT Codes

86317 x 2.
LOINC:  45166-6, 33469-8, 48654-8, 53935-3

Contacts

Last Updated

7/19/2021

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