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Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG)


TEST DIRECTORY
Test Name
Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG)
Description
Detection of Chlamydia trachomatis and Neisseria gonorrhoeae by the FDA-approved APTIMA COMBO 2® (Hologic) nucleic acid amplification method.
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Test Code
910
SPECIMEN REQUIREMENTS
Specimen
Submit only one (1) of the following specimens:
  • ThinPrep® Pap specimen
  • Endocervical swab using APTIMA® Unisex Swab Collection Kit
  • Vaginal swab using APTIMA® Multitest Swab Specimen Kit
  • Urine using the APTIMA® Urine Specimen Collection Kit
Specimen Collection
Storage Requirements
Store specimens at room temperature (15 to 30°C) until transported. DO NOT freeze.
Causes for Rejections
  • APTIMA® swab vial specimens submitted without a swab will be rejected.
  • APTIMA® urine vials must be filled with urine to the level designated on the tube (between the black lines). Over- or under-filled tubes will be rejected.
GENERAL AND TECHNICAL INFORMATION
Turn Around Time
1-2 days
Methodology
Transcription-mediated amplification (TMA)
Limitations
Test results may be affected by improper/inadequate specimen collection. If excess mucus is not removed prior to specimen collection, sampling of columnar epithelial cells lining the endocervix is not ensured, which could cause a false negative test result.
CPT Code
87491, 87591