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Texas Antimicrobial Resistance (AR) Laboratory Network

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Antimicrobial resistance (AR) is one of the greatest global health challenges of our time. The Antimicrobial Resistance Laboratory Network (ARLN) leads the fight by providing advanced testing and surveillance to emerging threats. This network of laboratories, public health agencies, and healthcare providers prevents the spread of AR organisms by gathering critical data that shapes local and national strategies, protecting lives and slowing the rise of antimicrobial resistance.

AR Isolate Testing and Submission Criteria

We are recruiting isolates of Carbapenem Resistant Enterobacterales (CRE), Carbapenem Resistant Pseudomonas aeruginosa (CRPA), Carbapenem Resistant Acinetobacter baumannii (CRAB), and suspected resistant or difficult to treat Neisseria gonorrhoeae (GC). Submission of these targeted organisms significantly enhances our network’s ability to gather essential data for combating antimicrobial resistance.

  • It is mandatory to report positive results of Candida auris and CRE E. coli and Klebsiella species to a disease reporting contact (epidemiologist). Additionally, for positive Candida auris results, it is mandatory to submit an isolate to DSHS Laboratory. Learn more about all notifiable conditions and mandatory isolate submissions here.
  • Always include any prior Antimicrobial Susceptibility Test (AST) reports or other relevant laboratory results with isolate submissions.
  • Please review our FAQ section about duplicate isolate submission criteria.