Test Code PNTO Streptococcus pneumoniae IgG Antibodies, Total, Serum
Additional Codes
Hospital Order Code |
Lab2608 MISMGO |
Ordering Guidance
This test is the preferred test for patients previously tested for Streptococcus pneumoniae antibodies (as part of follow up testing or part of pre/post vaccine assessment).
The preferred test for patients being evaluated for possible immunodeficiency or for assessment of pneumococcal vaccination response (initial evaluation) is PNTOR / Streptococcus pneumoniae IgG Antibodies, Total, with Reflex, Serum.
The preferred test for patients previously tested for S pneumoniae serotypes (as part of follow up testing or part of pre/post vaccine assessment) is PN23M / Streptococcus pneumoniae IgG Antibodies, 23 Serotypes, Serum.
Specimen Required
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.
Useful For
Assessing the IgG antibody response to active immunization with nonconjugated 23-valent pneumococcal vaccines
Assessing the IgG antibody response to active immunization with conjugated 13-valent, 15-valent and 20-valent pneumococcal vaccines
Determining the ability of an individual to produce an antibody response to polysaccharide antigens, as part of an evaluation for humoral or combined immunodeficiencies
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Reporting Name
S. pneumoniae IgG Ab, Total, SSpecimen Type
SerumSpecimen Minimum Volume
0.3 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Refrigerated (preferred) | 21 days |
Frozen | 21 days |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
Heat-inactivated specimen | Reject |
Reference Values
≥9.7 mcg/mL
Day(s) Performed
Tuesday, Thursday
Report Available
2 to 8 daysPerforming Laboratory

Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
86317
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
PNTO | S. pneumoniae IgG Ab, Total, S | 43236-9 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
PNTO | S. pneumoniae IgG Ab, Total, S | 43236-9 |