Reporting Chlamydia trachomatis infection
(lab-confirmed cases)
On this page:
What to report
How to report
Who is required to report
Frequently asked questions
Other reporting
More about Chlamydia
What to report
Lab-confirmed cases of Chlamydia trachomatis must be reported to MDH within one working day.
Note: Suspect cases of Lymphogranuloma Venereum (LGV), caused by three subtypes of Chlamydia trachomatis, should be coordinated by the MDH Public Health Laboratory to facilitate submission of diagnostic specimens. Please contact (651) 201-5257 for further information.
How to report Chlamydia
- STD Confidential Case Report Card
This disease may be reported using the MDH STD Confidential Case Report Form.
- Do not use the "Yellow Card" to report Chlamydia cases.

- Phone
Any reportable infectious disease may be reported by phone to 651-201-5414 or 877-676-5414.
Who is required to report
Frequently asked questions about STD Reporting
- Frequently Asked Questions about STD Reporting
MDH fact sheet on STD reporting.
- Communicable Disease Rule, Chapter 4605: with Notations Pertaining to Sexually Transmitted Diseases (STDs)
Other Reporting
- STD/HIV Partner Services Program
A brochure designed for health providers, information is provided about the program that assists HIV or STD infected persons notify their partners about their potential exposure. The brochure may be downloaded for duplication purposes.
More about Chlamydia
- Chlamydia
MDH comprehensive Chlamydia resource page.
- Chlamydia Case Definition
CDC's current case definition for Chlamydia trachomatis, genital infections. Attention: Non-MDH link

