2007 – 2008 STD/HIV Laboratory Survey Minnesota Department of Health STD and HIV Section

Background Under Minnesota law health care providers and laboratories must report all lab-confirmed cases of HIV, chlamydia, gonorrhea, and syphilis to MDH within one working day. There have been significant changes in STD/HIV laboratory test technologies over the past decade. From September, 2007 to July, 2008 MDH sent electronic surveys to 120 laboratories as an assessment of STD/HIV testing and reporting practices.

Demographics Response Rate Chlamydia/Gonorrhea: 80% (96/120 labs) Syphilis: 80% (96 / 120 labs) HIV: 78% (94 / 120 labs) Laboratory Types* 21 Non-profit Labs1 City Lab 20 Community labs2 State Labs 16 Non-profit Community Labs4 Commercial Laboratories 1 HMO3 Physicians Offices *Includes 10 Out-of-State Labs

Chlamydia/Gonorrhea Survey Results

Chlamydia/Gonorrhea Testing Practices –26% (25) tested for both Chlamydia and Gonorrhea –60% (58) did not test for either Chlamydia or Gonorrhea –No lab reported testing only for Chlamydia –13% (13) tested only for Gonorrhea

Includes results from reference laboratories used by labs included in the survey

Oral/Rectal Testing Chlamydia Oral/Rectal Testing by Culture –Oral Testing8% –Rectal Testing7% –Neither Oral nor Rectal Testing7% Gonorrhea Oral/Rectal Testing by Culture –Oral Testing31% –Rectal Testing30% –Neither Oral nor Rectal Testing2%

Testing and Positivity Rates Chlamydia Testing Rates –Total Number of Chlamydia Tests Performed658,879 –Total Number of Positive Chlamydia Tests25,615 –Positivity Rate Range for Chlamydia Tests0% - 11% Gonorrhea Testing Rates –Total Number of Gonorrhea Tests Performed627,547 –Total Number of Positive Gonorrhea Tests5,324 –Positivity Rate Range for Gonorrhea Tests0% - 11%

Syphilis Survey Results

Syphilis Testing Practices –62% of labs (n = 60) reported no Syphilis screening done –86% of labs (n = 83) reported no Syphilis confirmation testing done

Includes results from reference laboratories used by labs included in the survey

87% of labs reported no confirmatory testing done.

Syphilis Screening and Positivity Rates, 2007 Total Number of Screening Tests326,847 Total Number of Positive Screening Tests3,757 Range of Screening Tests Ran ,973 Positivity Rate Range for Screening0% – 3% Includes results from reference laboratories used by labs included in the survey

Syphilis Confirmation Testing and Positivity Rates, 2007 Total Number of Confirmation Tests5,436 Total Number of Positive Confirmation Tests2,922 Range of Confirmation Tests Ran3,278 Positivity Rate Range for Confirmation Tests0% - 93% Includes results from reference laboratories used by labs included in the survey

HIV Survey Results

HIV Testing Practices –61% (n = 57) perform HIV screens –4% (n = 4) perform HIV confirmatory tests –8% (n = 8) perform other HIV tests

13 labs performed Waived Testing, 14 labs performed Non-Waived Testing Includes results from reference laboratories used by labs included in the survey

Includes results from reference laboratories used by other labs included in the survey

For More Information STD and HIV Section Minnesota Department of Health