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Independent Medical Review (IMR) Determinations, Trend

Published by California Department of Managed Health Care | State of California | Metadata Last Checked: January 27, 2026 | Last Modified: 2026-01-19T14:00:33.713024
This data is from the California Department of Managed Health Care (DMHC). It contains all decisions from Independent Medical Reviews (IMR) administered by the DMHC since January 1, 2001. An IMR is an independent review of a denied, delayed, or modified health care service that the health plan has determined to be not medically necessary, experimental/investigational or non-emergent/urgent. If the IMR is decided in an enrollees favor, the health plan must authorize the service or treatment requested.

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