Insurers

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Statute, Rules, and Guidance

• Proposed and Adopted Rules
• Rules of Procedure
• Workers’ Compensation Act

Online Filing and EDI

When a worker is injured or has an occupational disease that results in more than three days/shifts of lost time, permanent impairment, or death, the insurance carrier must file a First Report of Injury. All first reports of injury and notice of contests must be filed electronically either through a vendor, Secure File Transfer Protocol (SFTP), or the DOWC website. You may view the DOWC's Online Filing of First Reports page for more EDI information.

For Electronic Data Interchange (EDI) stakeholders, Verisk is now only accepting EDI 3.1 files starting as of July 9, 2026. For EDI Claims 3.1 upgrade updates on the web, please visit our vendor, Verisk's EDI information page. You may also visit the DOWC Updates page for additional information. There, you will find numerous resources, including FAQs and contact information.

View the CoComp for Insurers and TPAs webinar.

Benefits Calculator

The multi-function Benefits Calculator can assist you through common workers’ compensation calculations, including lifetime present value, interest, and lump sum requests. 

Desk Aids for Adjusting Claims

Desk Aids have been created to assist claims adjusters in ensuring they comply with all statutory and regulatory requirements when admitting and paying benefits. These documents are updated as needed to stay current with statutes and rules. Adjusters are free to download a copy of the desk aids from the Workers' Compensation Desk Aids page for repeated use and guidance when adjusting compensation benefits. View the new Admissions Checklist Desk Aid.

Surcharge Collection

Surcharge is a levy on workers' compensation premiums paid by insurers that underwrite workers' compensation insurance coverage in Colorado and by employers who are authorized to self-insure. The Division of Workers' Compensation uses the bi-annual collected surcharge funds to offset the costs of administering the system. View the Surcharge Collection page for more information. 

Medical Utilization Review 

This peer review program is designed to evaluate a healthcare provider's treatment of an injured worker. Any insurer, self-insured employer, or claimant may request a Medical Utilization Review.

Medical Fee Schedule

Rule 18 sets the maximum fees and associated payment policies for services provided in connection with the treatment of an injured worker. Each year, stakeholders may provide input on the Medical Fee Schedules process.

Medical Treatment Guidelines

Medical Treatment Guidelines develops critical practice guidelines based on the most up-to-date evidence. Our nine guidelines address occupational injuries that frequently occur in the Colorado workers’ compensation system and that are expensive to treat.

Mandatory Insurer Reporting

Workers’ compensation insurers, including self-insured employers, in Colorado are required to record and submit data annually data on medical-only claims, change-of-physician requests, and claimant satisfaction survey results. As part of an effort to improve this process, the DOWC is inviting stakeholders to sign up for communications on annual insurer reporting. Anyone who finds this information relevant should subscribe. You will only receive a few emails each year.

Filing Instructions and Additional Resources