Workers’ Comp Colorado Verified 2026-03-26mandatory

WC 164Physician's Report of Workers' Compensation Injury

Issued by Colorado Division of Workers' Compensation

Physician's Report of Workers' Compensation Injury (WC 164) — state-prescribed clinician report used by the state workers’ comp agency.

Key facts

Clinicians fill out · Submitted to regulator · Employers file

When it’s used
Opening of care, closing of care, and when work restrictions change
Who fills it out
Treating physician of record. Must be signed by the authorized treating physician even if completed by a mid-level provider/designee
Who signs
Must be signed by the authorized treating physician even if completed by a mid-level provider/designee
Where it goes
At opening, closing, and change in restrictions
Electronic submission
Status unspecified

Sources & citations

Every form we publish traces to an authoritative government source. We cite the issuing agency, the underlying statute, and the operative regulation so you can verify scope and signing authority for your own records.

  • Issuing agency

    Colorado Division of Workers' Comp

    VerifiedOpen
  • Statute

    CRS §8-43 (Workers' Comp)

  • Regulation

    DOWC Rules 16-17

Attribution. Researched and maintained in collaboration with the wc-hub workers’ compensation reporting project (CO). BlueHive does not modify the underlying government PDF; the file you download is the agency original.

Important Legal Notice

The regulatory information presented on BlueHive Compliance Watch is provided for general informational purposes only and should not be construed as legal advice. While we strive to maintain accurate and up-to-date information, regulations can change rapidly and may be subject to interpretation.

You should always:

  • Consult with qualified legal counsel before making compliance decisions
  • Verify information with official government sources
  • Review the full text of any regulation cited herein
  • Consider jurisdiction-specific requirements that may apply to your organization

BlueHive Health, LLC makes no warranties or representations about the accuracy, completeness, or timeliness of this information. We are not responsible for any actions taken or not taken based on this content.

OSHA Official WebsiteU.S. Department of LaborFMCSA

Need help completing this form?

BlueHive coordinates the visit, captures the signed form, and routes it to the right destination — across DOT, USCG, workers' comp, and more.