Test Code PN23M Streptococcus pneumoniae IgG Antibodies, 23 Serotypes, Serum
Ordering Guidance
This test is the preferred test for patients previously tested for Streptococcus pneumoniae serotypes (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 total Streptococcus pneumoniae antibodies (as part of follow up testing or part of pre/post vaccine assessment) is PNTO / Streptococcus pneumoniae IgG Antibodies, Total, 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 plastic vial
Secondary ID
619921Method Name
Bead-Based Multiplex Immunoassay
Specimen Type
SerumSpecimen Minimum Volume
0.4 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 |
Reference Values
Results are reported in mcg/mL
Serotype |
Normal value |
1 (1) |
≥1.0 |
2 (2) |
≥1.0 |
3 (3) |
≥1.0 |
4 (4) |
≥1.0 |
5 (5) |
≥1.0 |
8 (8) |
≥1.0 |
9N (9) |
≥1.0 |
12F (12) |
≥1.0 |
14 (14) |
≥1.0 |
17F (17) |
≥1.0 |
19F (19) |
≥1.0 |
20 (20) |
≥1.0 |
22F (22) |
≥1.0 |
23F (23) |
≥1.0 |
6B (26) |
≥1.0 |
10A (34) |
≥1.0 |
11A (43) |
≥1.0 |
7F (51) |
≥1.0 |
15B (54) |
≥1.0 |
18C (56) |
≥1.0 |
19A (57) |
≥1.0 |
9V (68) |
≥1.0 |
33F (70) |
≥1.0 |
Day(s) Performed
Monday through Friday
Report Available
4 to 6 daysPerforming Laboratory

CPT Code Information
86581
Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.