Chlamydia/Gonococcus, Rectal Swab, NAA

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Turnaround Time: 2 - 3 days
CPT Code:

87491, 87591

Test Type: One swab (rectal)


Detect Chlamydia trachomatis and Neisseria gonorrhoeae.

This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).

Kent CK, Chaw JK, Wong W, et al. Prevalence of rectal, urethral, and pharyngeal Chlamydia and gonorrhea detected in 2 clinical settings among men who have sex with men: San Francisco, Calif, 2003. Clin Infect Dis. 2005; 41(1):67-74. PubMed 15937765

Collection Details:

Collection Instructions:

Submit one specimen per test requested. Specify the exact specimen source/origin (eg, rectal). Indicate a specific test number on the test request form.

Gen-Probe® Aptima® swab specimen transport tube.

Insert the blue-shafted swab, labeled “unisex collection swab for endocervical and male urethral specimens,” 2" to 4" into the rectum and rotate to sample the mucosal surfaces. Do not use the white-shafted swab; discard this swab. Remove the cap from the swab specimen transport tube and immediately place the specimen collection swab into the transport tube. Carefully break the swab shaft at the scoreline; use care to avoid splashing of the contents. Recap the swab specimen transport tube tightly.

Maintain specimen at room temperature or refrigerate (2°C to 30°C).