Chlamydia trachomatis, Rectal Swab, NAA

CPT: 87491
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Synonyms

  • Chlamydia trachomatis, Amplicor® PCR
  • Chlamydia trachomatis, Aptima® SDA
  • Chlamydia trachomatis, ProbeTec™ TMA

Special 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.


Expected Turnaround Time

2 - 3 days



Related Documents

For more information, please view the literature below.

Microbiology Specimen Collection and Transport Guide


    Specimen Requirements


    Specimen

    Rectal specimen collected with Aptima® unisex collection swab and submitted in the Aptima® swab specimen transport tube


    Volume

    One swab (rectal)


    Minimum Volume

    One swab (rectal)


    Container

    Gen-Probe® Aptima® swab specimen transport tube


    Collection

    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.


    Storage Instructions

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


    Causes for Rejection

    Inappropriate transport conditions; bacterial swabs; swabs from sites other than pharyngeal; unlabeled specimens or those with a discrepancy between the specimen label and the request form; Aptima swab transport tube with no swabs, two swabs or swab not supplied by GenProbe; Aptima swabs greater than 60 days from collection; any transport device other than an Aptima swab transport


    Test Details


    Use

    Detect Chlamydia trachomatis


    Limitations

    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).


    Methodology

    Nucleic acid amplification (NAA)


    References

    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. 15937765

    LOINC® Map

    Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
    188706 Ct NAA, Rectal 57287-5 188608 C. trachomatis, NAA, Rectal 80363-5
    188706 Ct NAA, Rectal 57287-5 019054 PDF N/A

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