Test Code CGPCR Chlamydia trachomatis & Neisseria gonorrhoeae Detection by PCR
Specimen Required
Specimen Type: endocervical, vaginal and male urethral swabs, urine, & ThinPrep specimens
* Urine: for the most accurate results, specimen must be an initial stream urine specimen (dirty urine).
Catheterized urine specimens are not acceptable for testing.
Container / Tube: Varies depending upon the source
1. Endocervial & Urethral swabs: Aptima Unisex Swab Specimen Collection Kit (Purple)
2. Vaginal swab: Aptima Vaginal Swab Specimen Collection Kit (Orange)
3. Urine: Sterile container
4. ThinPrep specimen: Specimen will be transferred from the ThinPrep vial to the proper tube in the laboratory
CPT Codes
87491: Chlamydia trachomatis amplified RNA
87591: Neisseria gonorrhoeae amplified RNA
Special Instructions
First-catch urine specimens should be collected in a clean preservative-free container. The patient should not have urinated for at least 1 hour and should not cleanse the genital area prior to collection.
Swabs in specimen transport media (Aptima Tubes) are stable at 2 - 30°C for up to 60 days.
Urine specimens must be transferred to the proper specimen transport tube within 24 hours. Preserved specimens are then stable at 2 - 30°C for up to 30 days.
This assay is not intended for the evaluation of suspected sexual abuse or for other medico-legal indications. Assay performance has also not been evaluated in adolescents less than 14 years of age.
Testing Schedule
Routine Specimens
Days Performed: Monday, Wednesday & Friday
Times Performed: Day Shift only (0600 - 1430)
Maximum Turn-around Time: 3 days
STAT Specimens - available for urine specimens only (if sufficient volume)
Days Performed: Monday through Sunday
Times Performed: All shifts, 24 hours a day
Assay Run Time: 1 hour 45 minutes