Workers’ Compensation · Primary-source case analysis

Dubon III: Untimely Utilization Review Returns Medical Necessity to the WCAB

By Aneeta Mishra and Timothy Chan

Published April 15, 2026 · Updated October 18, 2026

Decision: Dubon v. World Restoration, Inc., No. ADJ4274323 (WCAB Oct. 6, 2014) (en banc).

The October 6, 2014 Dubon decision distinguishes a late utilization-review decision from alleged defects in a timely one. That distinction changed the result for Dubon: The Board required independent medical review (IMR), not an award of surgery by the workers’ compensation judge. His objection concerned missing medical records; he had not challenged the timeliness of the denial.

A dispute over requested spinal treatment

Jose Dubon’s treating physician requested authorization for spinal surgery and related treatment. The employer’s utilization-review process denied authorization. The workers’ compensation judge identified serious concerns about the records reviewed but held that the dispute belonged in IMR. The surgeon’s request was received on July 11, 2013, and the initial denial issued July 19. The opinion expressly states that Dubon never challenged the denial’s timeliness. The judge did not award the requested surgery. Dubon, slip opinion, pages 3–5 & n.6.

Reconsideration narrowed the Board’s earlier rule

The WCAB rescinded its earlier February 2014 en banc formulation, which had allowed the Board to invalidate utilization review for some material procedural defects. On reconsideration, it held that invalidity outside IMR turns on timeliness: An untimely decision is the equivalent of no utilization review. Its original February opinion had sent the dispute back to the judge; the October decision rescinded that opinion and affirmed the judge’s determination requiring IMR. The procedural history matters because the earlier, broader formulation is not the final holding. Dubon, slip opinion, pages 1–2, 5–7, 18–19.

Who decides which issue

The WCAB decides whether the utilization-review determination was timely. When it was timely, disputes over medical necessity—including most alleged procedural defects—are resolved through IMR. When it was untimely, the WCAB may decide medical necessity based on substantial medical evidence: Reasoned medical support for why this treatment is required, rather than the timing error alone.

The majority treated missing records, the reviewing physician’s expertise and compliance with treatment guidelines as issues for medical review when the UR decision was timely. It did not say procedural compliance was optional: It discussed separate enforcement and penalty consequences. Those are different from allowing a judge to substitute a medical-necessity decision for IMR. Dubon, slip opinion, pages 12–16.

Disposition and practical limit

The WCAB rescinded its February 27, 2014 en banc decision, denied the worker’s petition and affirmed the judge’s decision requiring IMR. It did not uphold an award of surgery based on late UR. The actual order and the opening summary both make that outcome clear. Dubon, slip opinion, pages 2, 18–19.

The separate late-UR rule is also limited. A missed deadline does not automatically establish medical necessity or entitle the worker to any requested service. The employee must still prove the treatment is reasonably required, with substantial medical evidence addressing the applicable treatment guidelines or a supported basis to depart from them. Dubon, slip opinion, pages 16–17.

For counsel reviewing a denial, identify the alleged defect precisely. A disagreement about which medical records the reviewer considered is not the same as proof that the review was late. Preserve both the medical submissions and the dated transmission and decision records. Do not assume a timeliness objection extends any separate IMR filing period; current procedures and the actual notice must be checked.

Key takeaways

• Identify the applicable decision and communication deadlines from the current rules, the type of request and the actual receipt and decision records; do not apply one generic number to every request.
• The WCAB determines timeliness.
• An untimely decision permits the WCAB to decide medical necessity, but the worker must still prove why the requested treatment is reasonably required.
• Other disputes over a timely determination generally proceed through IMR.