Chlamydia, NAAT, Urine

Chlamydia, Amplified – Urine
DataValue
Method Aptima Combo 2 Assay (NAAT) (Transcription-mediated amplification)
CPT Code 87491
Sensitivity Detection 1-50 organisms
Preferred Specimen 20 mls first-void urine (patient should not have urinated for 1 hour prior to specimen collection) in Aptima transport tube. No cleansing of female prior to sample collection.
Other Acceptable Specimens None
Specimen Container Aptima urine specimen collection transport.
Specimen Identification Label container with patient’s first name, last name and DOB include date and time of collection.
Shipping Requirements Store and ship at 2-30° C for up to 30 days or store and ship frozen for longer periods up to 90 days.
Sample Rejection Criteria
  • Inappropriate specimen transport
  • Not received in Aptima transport
  • >30 days old stored at 2-8°C
  • >90 days old stored at –20°C or below (frozen)
  • >5% blood in specimen
  • Mislabeled specimen
  • Unlabeled specimen
  • Specimen quantity not sufficient
Turn-around-time 24 Hours (M-Th)
(Negatives and Positives reported same day)