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Labcorp Oklahoma, Inc.
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Pneumococcal Ab Pnl PCV21, 21 Serotypes

Order Name Pneumo 21
Test Number: 5197337
Revision Date 02/02/2026
Test Name Methodology LOINC Code
Pneumococcal Ab Pnl PCV21, 21 Serotypes
Multiplex fluorescent immunoassay See Below 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5 mL) Serum Clot Activator (SST or Red No-Gel) Refrigerated
Instructions Specimen: 1mL(0.5mL) Serum from SST clot tube
Blood should be allowed to clot 30-60 minutes, then poured off into a plastic transport tube
Storage Instructions: Refrigerated
Stability Requirements: Ambient 6 weeks, Refrigerated 6 weeks, Frozen 24 months
GENERAL INFORMATION
Expected TAT 7-10 Days  
Clinical Use Pneumococcal antibody panel provides quantitative measurement of serotype-specific IgG antibodies to assess immune response to pneumococcal vaccination, particularly in immunocompromised patients. 
Performing Labcorp Test Code 835119 
Notes
Result Code Result Name Result Long Name LOINC Code
5197340 Pneumo 6A IgG Pneumococcal Serotype 6A IgG n/a
5575659 Pneumo 3 IgG Pneumococcal Serotype 3 IgG 86081-7
5575697 Pneumo 7F IgG Pneumococcal Serotype 7F IgG 40911-0
5575667 Pneumo 8 IgG Pneumococcal Serotype 8 IgG 86148-4
5575669 Pneumo 9N IgG Pneumococcal Serotype 9N IgG 86166-6
5575691 Pneumo 10A IgG Pneumococcal Serotype 10A IgG 86099-9
5575693 Pneumo 11A IgG Pneumococcal Serotype 11A IgG 86123-7
5575671 Pneumo 12F IgG Pneumococcal Serotype 12F IgG 85974-4
5197341 Pneumo 15A IgG Pneumococcal Serotype 15A IgG n/a
5197342 Pneumo 15C IgG Pneumococcal Serotype 15C IgG n/a
5197343 Pneumo 16F IgG Pneumococcal Serotype 16F IgG n/a
5575677 Pneumo 17F IgG Pneumococcal Serotype 17F IgG 86010-6
5575703 Pneumo 19A IgG Pneumococcal Serotype 19A IgG 40915-1
5197344 Pneumo 20A IgG Pneumococcal Serotype 20A IgG n/a
5575683 Pneumo 22F IgG Pneumococcal Serotype 22F IgG 86053-6
5197345 Pneumo 23A IgG Pneumococcal Serotype 23A IgG n/a
5197346 Pneumo 23B IgG Pneumococcal Serotype 23B IgG n/a
5197347 Pneumo 24F IgG Pneumococcal Serotype 24F IgG n/a
5197348 Pneumo 31 IgG Pneumococcal Serotype 31 IgG n/a
5575709 Pneumo 33F IgG Pneumococcal Serotype 33F IgG 47349-6
5197349 Pneumo 35B IgG Pneumococcal Serotype 35B IgG  
CPT Code(s) 86581
Lab Section Reference Lab