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How California Workers Can Challenge Denied Medical Care

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A stalled treatment request can become a deadline problem before an injured worker ever gets a clear answer. A delay isn’t the same as a denial, and choosing the wrong response wastes time while pain, reduced mobility, or an untreated condition continues.

California workers’ compensation treatment disputes follow procedural rules that differ from broader disputes about whether an injury is covered at all. Alvandi Law Group, P.C. has handled workers’ compensation claims in California for more than a decade, helping injured workers assess treatment disputes, preserve records, and identify the appropriate next step.

If your medical treatment has been denied, you do not have to face the appeals process alone. Let Alvandi Law Group, P.C. help protect your right to necessary care and benefits. Call (800) 980-6905 or contact us online to schedule a consultation today.

Identify What Happened to the Treatment Request

The written response to a doctor’s Request for Authorization usually determines what comes next. Keep the complete notice, including the date it was served, every page of the explanation, and any enclosed Independent Medical Review form.

A Pending or Delayed Response

Utilization review is the process a claims administrator uses to evaluate whether requested care is medically necessary. For nonurgent treatment requests, the claims administrator generally must issue a decision within five working days after receiving the Request for Authorization and the supporting information needed to evaluate it.

When no timely decision arrives, the issue may not call for an Independent Medical Review appeal. The worker may need to pursue an expedited hearing through the Workers’ Compensation Appeals Board, often by filing a Declaration of Readiness to Proceed, rather than waiting indefinitely for a written denial.

A Written Denial or Modification

A utilization review decision may approve all requested care, deny it, or modify it by authorizing less treatment than the treating physician requested. A denial or modification based on medical necessity generally goes through Independent Medical Review, a physician review process administered through the California Division of Workers’ Compensation. It is not a workers’ compensation judge deciding whether treatment should be approved.

A Dispute About Coverage

Sometimes the claims administrator doesn’t dispute the treatment itself. Instead, it may contend that the injury isn’t work-related, that a body part isn’t part of the accepted claim, or that the requested care is unrelated to the industrial injury. These are claim liability disputes, and they may need to be resolved through the Workers’ Compensation Appeals Board rather than through Independent Medical Review.

Track the California Deadlines

Dates matter as much as the medical records. An injured worker should write down when the doctor submitted the Request for Authorization, when the utilization review decision was served, and the deadline printed on that decision.

Important dates to track:

  • Five Working Days: A nonurgent utilization review decision is generally due within five working days after the claims administrator receives the treatment request and necessary supporting information.
  • Thirty Days for Independent Medical Review: An injured worker generally has 30 days after service of a written utilization review decision to request Independent Medical Review.
  • Thirty Days After Final Independent Medical Review: A petition challenging a final Independent Medical Review determination must generally be filed with the Workers’ Compensation Appeals Board within 30 days after the determination is mailed.

Urgent circumstances can move faster. If a treating physician certifies that the worker faces an imminent and serious threat to health, expedited Independent Medical Review may be available. The certification and supporting medical information should be preserved with the treatment request.

Appeal a Medical Necessity Denial Through Independent Medical Review

When utilization review denies or modifies care based on medical necessity, Independent Medical Review is the standard appeal path. The reviewing physician evaluates the treatment request and medical evidence under the Medical Treatment Utilization Schedule, California’s evidence-based guidance for work injury care, along with other applicable medical guidelines.

The worker or a designated representative completes and signs the DWC Form IMR. The form, the written utilization review decision, and a copy of the submission should be sent to the claims administrator before the deadline. The claims administrator then provides the records needed for the review.

Records that can support the request:

  • Written Utilization Review Decision: Preserve the complete denial or modification notice and its service date.
  • Treating Physician Records: Include visit notes explaining the diagnosis, symptoms, functional limits, and medical rationale for the requested care.
  • Diagnostic Evidence: Include imaging, test results, surgical reports, and other records relevant to the condition.
  • Treatment History: Show prior care, medication, therapy, procedures, and the worker’s response to each approach.
  • Request for Authorization: Keep the original request and proof of when it was submitted to the claims administrator.

A complete medical record matters because Independent Medical Review evaluates the existing request and supporting documentation. It isn’t a courtroom hearing where the worker gives live testimony and a judge chooses between two competing medical opinions.

Respond to a Missing or Delayed Utilization Review Decision

When no utilization review decision arrives, and a doctor has recommended diagnostic testing, medication, physical therapy, surgery, or another urgent service, the absence of a response is a different problem than a written medical necessity denial. Filing an Independent Medical Review request may not address it.

An expedited hearing is a faster Workers’ Compensation Appeals Board proceeding for issues requiring prompt attention. A Declaration of Readiness to Proceed asks the board to schedule a hearing, but the appropriate filing and timing depend on the status of the claim and why no utilization review decision was issued.

Information to preserve during a delay:

  • Submission Proof: Keep fax confirmations, portal receipts, emails, and other records showing when the treatment request was sent.
  • Communications: Save messages with the claims administrator, utilization reviewer, medical provider, and scheduling staff.
  • Appointment Details: Record cancelled appointments, unavailable referrals, and delays in obtaining prescribed care.
  • Medical Updates: Keep records showing worsening symptoms, work restrictions, or the effect delayed care has had on daily activity.

Repeated requests for the same information can also be significant. The treating physician may need to provide additional records, but the worker should maintain a timeline showing every submission and response.

What Happens After Independent Medical Review

If Independent Medical Review overturns a utilization review denial, the claims administrator generally must implement the approved treatment. A separate dispute about claim liability or another valid procedural issue can affect implementation, which is why the full claim status still matters.

If the final determination upholds the denial, the worker can petition the Workers’ Compensation Appeals Board within 30 days after the determination is mailed. That challenge isn’t a second opportunity to argue medical necessity from the beginning. The grounds are narrow: action in excess of authority, fraud, a material conflict of interest, prohibited bias, or a plainly erroneous finding of fact not subject to expert opinion. The Workers’ Compensation Appeals Board can’t substitute its own medical judgment for the Independent Medical Review physician’s.

When Legal Guidance May Help

Prompt review can be useful when an Independent Medical Review deadline is approaching, records are incomplete, treatment has been delayed more than once, or the claims administrator is disputing whether the injury is covered. Urgent treatment needs and conflicting medical opinions can also make the procedural path harder to identify without legal guidance.

Alvandi Law Group, P.C. handles workers’ compensation matters involving claim paperwork, medical record collection, negotiations, and hearings when needed. The firm serves clients in multiple languages and provides step-by-step guidance throughout the case

 California workers who need help evaluating the next procedural step can contact Alvandi Law Group, P.C. at (800) 980-6905.