Days Set Up
Monday - Friday
Analytic Time

3 - 6 days

MiChart Code
Strep Pneumonia IgG Antiby Panel (23)
Soft Order Code

Update Type: Production schedule change

Test Updated: 12/02/2020


Anti-Pneumococcal Antibodies
Pneumococcal Antibody Titer, IgG
Pneumococcal IgG Vaccine Response, ELISA
Pneumo-Vax Response
S. pneumoniae IgG Antibody
S. pneumoniae IgG Ab, 7 Seroty
S. pneumoniae IgG Ab,23 seroty

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All specimens should be accompanied by a requisition.

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MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Microsphere Photometry

Test Usage

Assessing the IgG antibody response to active immunization with nonconjugated, 23-valent vaccines. Assessing the IgG antibody response to active immunization with conjugated, 13-valent vaccines. Determining the ability of an individual to produce an antibody response to polysaccharide antigen(s), as part of an evaluation for humoral or combined immunodeficiencies.

Reference Range

Result reported in mcg/mL; results greater than the reference value are consistent with a positive immune response.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect blood in a red top or SST tube. Centrifuge, aliquot serum into plastic vial and refrigerate. Pre- and post-vaccination samples submitted at the same time are recommended. Post-vaccination samples should be collected 4-6 weeks from the date of vaccination.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.5 mL serum

Billing Information

CPT Code
86317 x23
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.