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Utah Public Health Laboratory

Chlamydia trachomatis & Neisseria gonorrhea

Fee: Please refer to fee schedule

Ordering Recommendation



Monday - Friday


Qualitative Transcription-mediated Amplification (NAAT)


1-2 Days

Specimen Required

  • Collect: Endocervical, pharyngeal, rectal, or vaginal swab, first catch urine, or male urethral swabs. Collect in Aptima Combo 2 Assay transport media.
  • Specimen Preparation: Transfer swab or urine to Aptima Combo 2 transport media. (Min: 2mL urine).
  • Storage/Transport Conditions: Refrigerated or Ambient. Specimen must be received in our lab within 30 days of collection
  • 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: Sample must be labeled with patient�s full name or unique ID number, and collection date.
  • 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


Negative, Positive, or Equivocal

Interpretive Data




Cross References