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Nucleic acid amplification tests (NAATs) in investigation of vaginal discharge

Authoring team

Nucleic acid amplification tests

  • NAATs should be used for the diagnosis of chlamydia and gonorrhoea
  • combined chlamydia and gonorrhoea tests are now available
  • false-positives can occur with NAATs. In areas of low disease prevalence the positive predictive value may be suboptimal (<90%) and local laboratories may advise a supplementary or confirmatory test. This should be agreed with your local laboratory.

Reference:

  • 1) FSRH and BASHH Guidance (February 2012) Management of Vaginal Discharge in Non-Genitourinary Medicine Settings

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