Laboratory Services

Chlamydia trachomatis

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Updated Test Information:

Test Description
Chlamydia trachomatis
Synonym(s)

CT, Aptima, Chlamydia

Test ID

Aptima:



  • GCCTAPTIMA - Gonorrhea/Chlamydia by Aptima

  • CTAPTIMA - Chlamydia by Aptima Swab

  • CTURINE - Chlamydia by Aptima Urine Kit


ThinPrep:



  • TGCCT - Gonorrhea/Chlamydia Only (NO PAP)

  • TPAPCT - Pap w/CT

  • TPAPGCCT - Pap w/GCCT

  • TPAPACT - Pap w/HPV if ASCUS and CT

  • TPAPAGCCT - Pap w/HPV if ASCUS and GCCT


ANALCYTGCCT - Anal Gonorrhea/Chlamydia with cytology 


GCCTI - Gonorrhea/Chlamydia by Incyte Swab


GCCTURINE - Gonorrhea/Chlamydia by Aptima Urine Kit

Specimen Type

Endocervical, vaginal, throat, rectal, or male urethral swabs; urine collection from male or female patients

Specimen Requirements

Urine: Transfer 2 mL of first-catch urine sample to the Aptima Urine Specimen Transport Tube.


Endocervical swabs: Incyte swab (preferred) or Aptima Unisex Collection kit.


Male urethral swabs: Aptima Unisex Collection kit.


Vaginal Swabs: Incyte swab (preferred) or Aptima Multitest Swab Collection kit.


Throat or rectal swabs: Aptima Multitest Swab Collection kit.



ThinPrep  collection is also acceptable, but the CT order must be in place before Pap processing begins.

Required Information

Complete the Incyte Diagnostics requisition with the patient's demographics and relevant clinical history. Label specimen container with the patient's full first and last name, second unique identifier, and specimen source/site.

Stability

Incyte swab specimens are stable for 21 days following initial collection.


 


Aptima Multitest and Unisex swabs are stable for 60 days at ambient temperature after collection. A urine collection is stable for 30 days at ambient temperature preserved in the collection vial.


 


ThinPrep specimens remain stable indefinitely at ambient temperature.

Unacceptable Specimen Conditions

Improper or inadequate patient identification, specimen in expired or incorrect collection vials. In a urine collection, the liquid level must fall between the two black indicator lines on the tube label or the specimen will be rejected. Vials with no swab, swabs that are not part of the collection, and specimens received in incorrect fixative (such as formalin). Orders off ThinPrep specimens must arrive prior to testing.

Department (code)

Molecular

Methodology

APTIMA Combo 2 nucleic acid amplification test (NAA)

Estimated TAT

13 business days from receipt

Testing Schedule

Monday–Friday

CPT Code(s)

87491

Collection File View/Download File
Additional Information

Positive results are reported to the Health Department in accordance with state law.