Chlamydia trachomatis by Transcription-Mediated Amplification (TMA)
0060243
Ordering Recommendation
Use to detect Chlamydia trachomatis. In individuals at risk for Neisseria gonorrhoeae, preferred test is one of the combined nucleic acid amplification tests (NAAT) [ie, Chlamydia trachomatis and Neisseria gonorrhoeae by Transcription-Mediated Amplification (TMA) (0060241)].
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Mnemonic
CTAMD
Methodology
Qualitative Transcription-Mediated Amplification
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Endocervical, pharyngeal, rectal,or vaginal swab, first catch urine, or male urethral swabs. Collect in APTIMA Combo 2 Assay transport media (ARUP supply: Swabs #28907, Urine #28908). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. Refer to Sample Collection for the Diagnosis of STD under Specimen Handling at www.aruplab.com for specific specimen collection and transport instructions.  
Specimen Preparation
Transfer swab or urine to APTIMA Combo 2 Assay transport media. (Min: 2 mL urine)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Large white swab is for preparatory cleaning of the endocervix and is unacceptable for testing. Specimens in any transport media other than indicated above. Specimen in swab transport media without a swab.  
Remarks
Specimen source is required.  
Stability
Swab in APTIMA Transport Media: Ambient: 2 months; Refrigerated: 2 months; Frozen: 12 months. Urine in APTIMA Transport Media: Ambient: 1 month; Refrigerated: 1 month; Frozen: 12 months  
Reference Interval
Negative
Interpretive Data
Positive results are confirmed using an alternative nucleic acid target in accordance with CDC guidelines. See: Screening Tests to Detect Chlamydia trachomatis and Neisseria gonorrhoeae Infections - 2002. (http://www.cdc.gov/std/LabGuidelines/rr5115.pdf)

This test is intended for medical purposes only and is not valid for the evaluation of suspected sexual abuse or for other forensic purposes. In certain contexts, culture may be required to meet applicable laws and regulations for diagnosis of C. trachomatis and N. gonorrhoeae infections.
Note
CPT Code(s)
87491
Components
Component Test Code*Component Chart Name
0060243C. trachomatis by TMA
0060755APTIMA Media Type
2005507Specimen Source
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • Chlamydia TMA
  • Chlamydia trachomatis by Nucleic Acid Amplification (Chlamydia trachomatis by Amplified Detection (Aptima(R)))
  • CT TMA
  • Nucleic Acid Amplification Test (NAAT)