Why was my claim denied?

Common reasons include late notice to employer, disputes over whether the injury is work-related, pre-existing condition arguments, and missed deadlines [§ 8-43-103].

Can I appeal a denial?

Yes. Application for hearing before a Division of Workers' Compensation ALJ [§ 8-43-207]. Appeal to Industrial Claim Appeals Office (ICAO), then to Colorado Court of Appeals.

How long does the appeal process take?

Timelines vary by case complexity and hearing office backlog. Appeals to higher courts can take longer.

Should I get an attorney for a denied claim?

Strongly recommended. Denied claims involve complex medical and legal issues, and an experienced attorney can navigate the dispute resolution process effectively.

Topic guideUpdated 2026-02-27

Denied Workers' Comp Claims in Colorado — Your Options

What to do when your Colorado workers' compensation claim is denied, including dispute resolution and appeals.

Having your workers' compensation claim denied does not mean you have no options. In Colorado, you have the right to challenge a denial §8-43-207.

Common Reasons for Denial

Claims are frequently denied for these reasons:

Late notice to employer (must be within Employee must notify employer promptly, in writing, within the short statutory window set by Colorado law (a matter of days, not weeks) — confirm the current deadline with a lawyer or the Division of Workers' Compensation; exceptions may apply for late written notice (e.g., where the employer had actual notice or good cause is shown)) §8-43-102

Dispute over whether the injury is work-related

Pre-existing condition arguments

Missed medical appointments or non-compliance with treatment

Filing deadline expired (2 years from date of injury or last payment of compensation) §8-43-103

The Dispute Resolution Process

Application for hearing before a Division of Workers' Compensation ALJ §8-43-207.

Appeals

Appeal to Industrial Claim Appeals Office (ICAO), then to Colorado Court of Appeals.

Independent Medical Examination (IME)

Employer or insurer may request an IME; Division may also order one §8-43-404. The IME results can significantly impact your claim.

⚠If the insurer requests an IME, you must attend. Failure to appear can result in suspension of benefits.

✓Before attending an IME arranged by the insurer, consult with an attorney. You have the right to have your own medical evidence reviewed and considered.

Prepare for Your Consultation

Quick checklist (Workers’ Compensation)

Gather these before your first consultation.

Incident report

(employer report, date/time of injury)

Medical records

(doctor visits, diagnoses, treatment plans)

Wage documentation

(pay stubs, tax returns, employment records)

General preparation tips only. Specific needs depend on your state and claim type.

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Common Questions

Frequently Asked Questions

General answers to common questions. Specific outcomes depend on your facts and timing.

If you have a deadline, court notice, or upcoming hearing, mention it when requesting assistance so timing can be evaluated promptly.

Read →

Independent Medical Exams (IME) in Colorado Workers' Comp

Read →

Colorado Workers' Comp Settlements & Hearings — What to Expect

Read →

Legal authoritiesStatutes referenced on this page

C.R.S. § 8-43-207

Dispute Resolution Process

Application for hearing before a Division of Workers' Compensation ALJ.

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Verified 2026-07-13 · quarterly review

C.R.S. § 8-43-102

Notice Deadline

Timely notice requirement: Employee must notify employer promptly, in writing, within the short statutory window set by Colorado law (a matter of days, not weeks) — confirm the current deadline with a lawyer or the Division of Workers' Compensation; exceptions may apply for late written notice (e.g., where the employer had actual notice or good cause is shown).

Employee must notify employer promptly, in writing, within the short statutory window set by Colorado law (a matter of days, not weeks) — confirm the current deadline with a lawyer or the Division of Workers' Compensation; exceptions may apply for late written notice (e.g., where the employer had actual notice or good cause is shown)

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Verified 2026-09-28 · quarterly review

C.R.S. § 8-43-103

Filing Deadline

Statute of limitations: 2 years from date of injury or last payment of compensation.