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Chlamydia trachomatis /N. gonorrhoeae by Nucleic Acid Amplification (EC/URE/VAG/Urine)
Test CodeNAT CT/GC
Alias/See Also
SQL test code 904767
CPT Codes
87491, 87591
Includes
Assay Detects: Chlamydia trachomatis and Neisseria gonorrhoeae
Preferred Specimen
Aptima Unisex (Endocervix/Urethral) Swab Collection Device
Aptima Multitest Swab Collection Device
Aptima Urine Collection Device
Aptima Multitest Swab Collection Device
Aptima Urine Collection Device
Other Acceptable Specimens
None
Instructions
Urine Specimens: Transfer 2 mLs of first void urine to Aptima urine specimen collection tube within 24 hours of collection. Urine must be filled between the two black arrows only or the sample will be rejected. Patient must not have urinated for at least one hour prior to collection.
Female Endocervical or Male Urethral Specimens: Aptima unisex swab collection device must contain the blue collection swab only. If white cleaning swab or if both the blue collection swab and white cleaning swab are submitted in same tube, sample will be rejected.
Vaginal Specimens: Swab vaginal canal and place swab into Aptima multitest collection device.
See link below for specimen details, methodology, setup schedule and reference ranges.
Female Endocervical or Male Urethral Specimens: Aptima unisex swab collection device must contain the blue collection swab only. If white cleaning swab or if both the blue collection swab and white cleaning swab are submitted in same tube, sample will be rejected.
Vaginal Specimens: Swab vaginal canal and place swab into Aptima multitest collection device.
See link below for specimen details, methodology, setup schedule and reference ranges.
Transport Container
Aptima Device
Transport Temperature
Ambient
Specimen Stability
Ambient:
- Aptima urine: 30 days
- Aptima unisex/multitest swabs: 60 days
- Aptima urine: 30 days
- Aptima unisex/multitest swabs: 60 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Aptima swabs received with the following sources:
Urine submitted in sterile urine cups.
Aptima unisex or multitest devices submitted without collection swab.
- Throat/Oral
- Rectal/Anal
- Eye/Occular/Conjunctival
Urine submitted in sterile urine cups.
Aptima unisex or multitest devices submitted without collection swab.
Methodology
Target Capture
Transcription-Mediated Amplification (TMA)
Dual Kinetic Assay (DKA)
FDA Status
FDA-modified
Setup Schedule
Days and Evenings: Monday through Friday
Report Available
Results available 1 - 3 days
Reference Range
Chlamydia trachomatis/Neisseria gonorrhoeae: Negative
Performing Laboratory
For Arizona: Performed at Sonora Quest Laboratories, Tempe
For Western Division: Performed on-site
Additional Information
C. trachomatis/N. gonorrhoeae, Aptima, w/Rflx Conf <14 Yrs
