Chlamydia, DNA Amplification

Message

Chlamydia trachomatis may be ordered in combination with Neisseria gonorrhoeae (GC) by using test code GCCAS. Day(s) :

Test Code

CTDNAS

CPT Codes
87491

Preferred Specimen

Cervical, endocervical, urethral

Instructions

Submit only 1 of the following specimens: Endocervix (Female only) 1. Remove excess mucus from exocervix with large-tipped cleaning swab provided in kit and discard. 2. Spermicidal agents and feminine powder sprays interfere with the assay and should not be used prior to collection. 3. Insert small-tipped specimen swab into endocervix, and rotate swab for 15-30 seconds to ensure adequate sampling. 4. Place swab in a sterile culture transport tube. Note: 1. Specimen source is required on request form for processing. Urethra (Males only) 1. Insert small-tipped specimen swab 2-4 cm into urethra, and rotate swab for 3-5 seconds to ensure adequate sampling. 2. Place swab in a sterile culture transport tube. 4. Specimen source is required on request form for processing.

Transport Container

Only Gen-Probe Aptima UNISEX SWAB collection kits are acceptable.

Transport Temperature

Room Temperature or Refrigerate

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Vaginal swab

Methodology
Strand Displacement Amplification

Reference Range

Negative

Last Updated: October 22, 2015

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.