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Report a disease

Last updated: April 25, 2025.

This page is for public health disease reporters, including but not limited to: laboratories, health care providers, staff in congregate settings, and public health staff who need to report a case and/or outbreak of illness to the department. 

Reporting individual cases

Lab reporting requirements

Labs must report diseases and conditions on the reportable communicable diseases and conditions list. The preferred method is via electronic laboratory reporting (ELR). For information on reporting via ELR, contact cdphe_elr@state.co.us. If you are a lab not currently onboarded to ELR you are encouraged to use the Reportal for case reporting.

Lab submission requirements

Specimen submission is in addition to laboratory reporting of required results. Isolate submission to the lab is not reporting and does not satisfy reporting requirements. Here are submission requirements for isolates or clinical material to the CDPHE Laboratory. 

Provider requirements for communicable diseases (excluding STIs)

Report to us or your local public health agency. There are several ways to report a case to us:

Provider requirements for (STIs) 

Reporting outbreaks

Outbreaks are instances of more illness in a given timeframe, location, or group of people than what is usually expected. All outbreaks are reportable to public health, regardless of the setting where the outbreak is occurring or the pathogen causing the outbreak. 

Providers and other disease reporters

Providers and other disease reporters (including coroners, as well as staff working at schools, licensed child care centers, and higher education institutions) should report known or suspected outbreaks immediately by telephone (within four hours of detection) to either the local public health agency or to CDPHE at 303-692-2700 (after hours 303-370-9395). It is especially important to report outbreaks occurring in congregate settings such as health care facilities, group living homes, child care centers, correctional settings (e.g., jails, prisons), schools, and workplaces.

General reporting guidance

Public health reporting is mandated by law and is not affected by the Health Insurance Portability and Accountability Act (HIPAA). HIPAA specifically provides for public health reporting without a patient's authorization or consent.