ARUP's Laboratory Test Directory

0060228: Streptococcus pneumoniae Antigen, Urine

Test Mnemonic: SPN AG
Methodology: Immunochromatographic Assay

Performed: Sun-Sat

Reported: Within 24 hours

Specimen Required:  
Collect: Random urine.

Transport: 5 mL urine at 2-8°C. (Min: 1 mL)

Unacceptable Conditions: Specimens from patients taking antibiotics for more than 24 hours.

Stability: Stability: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 2 weeks

Reference Interval:
Negative

Interpretive Data:
False-positives may occur because of cross-reactivity with other members of S. mitis group.  Clinical correlation is recommended.



Note:
Patients who have received the S. pneumoniae vaccines may test positive in the 48 hours following vaccination. It is recommended to avoid testing within five days of receiving vaccination.  Samples from patients taking antibiotics for more than 24 hours may cause false-negatives.

CPT Code(s):
87899