2011164
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Chlamydia trachomatis and Neisseria gonorrhoeae (CTNG) by Transcription-Mediated Amplification (TMA) with Reflex to CT/NG Confirmation

CTNG CONF
Example Reports
Negative
Positive

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Specimen Collection and Handling

Ordering Recommendation

Use to detect Chlamydia trachomatis and Neisseria gonorrhoeae in a variety of specimens. Positive results will be confirmed using an alternate nucleic acid target. Confirmation testing is not indicated for eye specimens or for routine testing in adults; refer to Chlamydia trachomatis and Neisseria gonorrhoeae by Transcription-Mediated Amplification (TMA) (0060241) for testing without confirmation.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Vaginal, throat or rectal specimen collected with pink swab from Aptima MultiTest Swab Specimen Collection kit (ARUP supply #55224 PK/50 or #55229 PK/10) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at 800-522-2787.

Also acceptable: First catch urine in sterile container.
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 swab in Swab Specimen Transport Tube, break shaft off at scoreline, then recap tube.

Urine: Transfer 2 mL urine within 24 hours to Aptima Urine Specimen Transport Tube (ARUP supply #28908 PK/50 or #54556 PK/10) 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.

Storage/Transport Temperature

Refrigerated

Unacceptable Conditions

Sample collected with large white cleaning swab from the Aptima Unisex collection kit. Specimens in any transport media other than indicated above. Specimens in swab transport media without a swab.

Remarks

Specimen source is required.

Stability

MultiTest Swab: Ambient: 2 months; Refrigerated: 2 months; Frozen: 2 months
Aptima Urine Specimen Transport Tube: Ambient: 1 month; Refrigerated: 1 month; Frozen: 1 month

Methodology

Qualitative Transcription-Mediated Amplification (TMA)

Performed

Sun-Sat

Reported

1-4 days

Reference Interval

Negative

Interpretive Data

This test is intended for medical purposes only. It is not intended for the evaluation of suspected sexual abuse or for other medicolegal indications. Refer to the most recent CDC recommendations for patients in whom a false positive result may have adverse psychosocial impact.
Positive results will be confirmed with alternative nucleic acid target assay.

Compliance Category

Depends on Specimen/Source/Method

Note

If Chlamydia trachomatis and/or Neisseria gonorrhoeae by TMA is positive, then chlamydia and/or gonorrhea alternate target TMA will be added for confirmation. Additional charges apply.

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
08/05/2024
X
X
N/A

CPT Codes

87491; 87591. If reflexed add 87491 or 87591

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Components

Component Test Code* Component Chart Name LOINC
0060755 APTIMA Media Type 74384-9
2005507 Specimen Source 31208-2
2011165 C. trachomatis by TMA with Confirm 43304-5
2011166 N. gonorrhoeae by TMA with Confirm 43305-2
* 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

  • Gonorrhea
  • Chlamydia and Gonorrhea panel with confirmation
  • Nucleic Acid Amplification Test (NAAT)
  • NAA
  • Chlamydia and Gonorrhea PCR
  • Combo 2
  • CT/GC PCR
  • CT/NG PCR
Chlamydia trachomatis and Neisseria gonorrhoeae (CTNG) by Transcription-Mediated Amplification (TMA) with Reflex to CT/NG Confirmation