Streptococcus pneumoniae Urinary Antigen Test

Test information: Used for the qualitative detection of S. pneumoniae in urine specimens from patients with symptoms of pneumonia.

Availability: Routine hours: 08:00 to 17:15

Part of a combined test which includes L. pneumophilia serogroup 1.

Specimen Type(s)

• Catheter Urine;
• Clean Catch Urine;
• Cystoscopy Urine;
• Ileal Conduit Urine;
• Mid-Stream Urine;
• Nephrostomy Urine;
• Suprapubic Aspirate;
• Ureteric Urine;
• Urostomy Urine;

Other Acceptable Specimen Type(s)

N/A

Specimen Container - Adult

• Boric Acid Tube;
• Plain Universal;
• Urine Monovette Primary Tube;

Specimen Container - Paediatric

• N/A;

Analytes

• S. pneumoniae urine antigen;

Part of a test profile?

No

Volume (min) of sample to be sent to laboratory

• Minimum sample volume in non-boric container: 1.2mL
• Boric Acid Containers must be filled to the appropriate line shown on the container.

Patient Preparation, Sample Handling and Transport

• Collect the urine sample in a sterile container (with or without boric acid preservative).
• Urine samples are stable for up to 24 hours at ambient room temperature and 1 week when stored at 2 °C to 8 °C.
• Specimens should be transported to the laboratory without delay during normal working hours.
• If transport is delayed store urine samples at 2 °C to 8 °C.
• The S. pneumoniae Urinary Antigen Test used has not been validated to be used with urine samples from children under 8 years.

Maximum add on time

N/A

Units and Reference Ranges / Interpretation

Not detected / Detected
A negative result for S. pneumoniae does not exclude an S. pneumoniae infection. The result of this test should be used in conjunction with clinical findings to make an accurate diagnosis.

UKAS number

8869

UKAS accredited test?

Yes

Comments

• S.pneumoniae vaccine may cause false positive results up to 10 days after vaccination.
• Administration of antibiotics might influence the test results for S.pneumoniae.
• False results may occur from highly basic (pH ≥ 9) urine and give false positive S.pneumoniae results.

If you have any queries about a test or results interpretation please contact us.