āāGradient Strip (GC Etest)
Neisseria gonorrhoeae Antimicrobial Susceptibility Testing Services at the Microbial Diseases Laboratory
āEffective 06/26/2023, the California Department of Public Healthās (CDPH) Microbial Diseases Laboratory (MDL) willā offer
Neisseria gonorrhoeae antibiotic susceptibility testing (AST) for azithromycin, ceftriaxone and cefixime using bioMĆ©rieux EtestĀ® gradient strip. In the future, ciprofloxacin will be added to the AST panel and information will be added to the Test Information Sheet.
āAdditional information on antibiotic-resistant
N. gonorrhoeae is available from the CDPH Sexually Transmitted Disease Control Branch (STDCB) at the STDCB Antibiotic Resistant Gonorrhea Center of Excellence webpage, including gonorrhea treatment guidelines and management of suspected treatment failure:
Keāy Conāāāāātacātāāāā Infoāārmāāation: ā
āāEtest, Gradient Strip
Neisseria gonorrhoeae AST:
MDL Bacterial Diseases Section (BDS) Laboratory: (510) 412-3903
CDPH STD Control Branch:
Phone: (510) 620-3400
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