Abstract: DAI Xiu-qin, YIN Yue-ping, ZHENG Bing-jie. Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College; National Center for Sexually Transmitted Disease Control, China Center for Disease Control and Prevention, Nanjing 210042, China Corresponding author: YIN Yue-ping, Email: yinyp@ncstdlc.org 【Abstract】 Objective To make a nationwide external quality assessment of tests for isolation and identification of N. gonorrhoeae in medical and healthcare facilities at different levels, and to analyze current problems. Methods Lyophilized quality control samples were uniformly delivered to 252 medical and healthcare facilities providing sexually transmitted disease （STD） services at different levels. Test results were analyzed by the National Center for STD Control, China Center for Disease Control and Prevention, and evaluation results were fed back to participating laboratories. Results Finally, test results were received from 203 （80.56%） facilities. The comprehensive score averaged at 87.14, and facilities achieving a comprehensive score of 80 or greater amounted to 80.30% （163/203）. The coincidence rate was 53.69% （109/203） for all of the 5 quality control samples, 82.76%（168/203） and 87.68% （178/203） respectively for two quality control samples containing only N. gonorrhoeae, 86.21% （175/203） and 96.06% （195/203） respectively for a sample containing Neisseria sicca and a sample containing Enterococcus faecalis, 69.46%（141/203）for a sample containing different species of Neisseria. Conclusion The external quality assessment reveals a disparity in the capability to isolate and identify Neisseria among medical and healthcare facilities providing STD services at different levels.

Key words: Sexually transmitted disease