Chlamydia trachomatis by Transcription-Mediated Amplification (TMA)
0060243
Ordering Recommendation
Preferred test for detecting Chlamydia trachomatis in variety of specimens. This test does not include confirmation of positive results by an alternative nucleic acid target. If confirmation of positive results by an alternate nucleic acid target is required, refer to Chlamydia trachomatis and Neisseria gonorrhoeae by Transcription-Mediated Amplification (TMA) with Confirmation (2011164).
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.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Vaginal, male urethral, rectal, pharyngeal, or endocervical specimen with APTIMA Unisex Swab Specimen Collection kit (ARUP supply #28907). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.
OR
First catch urine.
OR
Cervical brush in ThinPrep Pap test collection kit. 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
Swab: place blue swab in Swab Specimen Transport Tube, break shaft off at scoreline then recap tube.
First catch urine:
Transfer 2 mL urine to APTIMA Urine Specimen Transport Tube (ARUP supply #28908). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. Liquid level must be between fill lines on tube.
ThinPrep:
Vortex ThinPrep PreservCyt solution and transfer 1 mL to an APTIMA Specimen Transfer Tube (ARUP supply #42711). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. To reduce the potential for contamination, ThinPrep specimens should be poured off, using sterile technique, into the APTIMA Specimen Transfer Tube prior to Cytology Testing.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Large white swab included in APTIMA Unisex Swab Specimen Collection kit is for preparatory cleaning of the endocervix and is unacceptable for testing. Specimens in any transport media other than indicated above. Specimens in swab transport media without a swab.  
Remarks
Specimen source is required.  
Stability
Swab in APTIMA Swab Specimen Transport Tube: Ambient: 2 months; Refrigerated: 2 months; Frozen: 1 year
Urine in APTIMA Urine Specimen Transport Tube:
Ambient: 1 month; Refrigerated: 1 month; Frozen: 1 year
APTIMA Specimen Transfer Tube:
Ambient: 2 weeks; Refrigerated: 1 month; Frozen: 1 year
ThinPrep Media: Ambient:
1 month; Refrigerated: 1 month; Frozen: Unacceptable  
Reference Interval
Negative  
Interpretive Data
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. Per 2014 CDC recommendations, this test does not include confirmation of positive results by an alternative nucleic acid target.  
Note
 
CPT Code(s)
87491
Components
Component Test Code*Component Chart NameLOINC
0060243C. trachomatis by TMA21613-5
0060755APTIMA Media Type74384-9
2005507Specimen Source31208-2
* 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.
Aliases
  • Chlamydia TMA
  • Chlamydia trachomatis by Nucleic Acid Amplification (Chlamydia trachomatis by Amplified Detection (Aptima(R)))
  • CT TMA
  • Nucleic Acid Amplification Test (NAAT)