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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Strep. pneumoniae Ag, CSF

Test Code(s): CFSPAG / HCCFSPAG

CPT Code(s): 87449

Methodology: Immunochromatographic Assay

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 4 hours.


Specimen Requirements

Specimen: Cerebrospinal fluid (CSF)

Collection Container: Preferred: Numbered specimen tube from sterile disposable lumbar puncture tray
Also Acceptable: Red top, Sterile screw cap container

Collection Volume: Preferred: 2 mL
Pediatrics: 0.5 mL

Sample Analyzed: Cerebrospinal fluid (CSF) aliquot

Volume Required: Preferred: 2 mL
Pediatrics: 0.5 mL

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220) immediately. Transport with coolant pack if coming from outreach location.

Stability: Ambient: 24 hours
Refrigerated: 1 week
Frozen: 1 week


Interpretation

Expected Results:

Negative

Critical Calls: View

Additional Information:

Pneumococcal vaccine can give a positive test for up to five days following immunization.

pneumococcal
strep pneumococcal
pneumococal
pnuemo

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