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Everything here is free to read, and nothing here is a claim about your case. Built from California’s published records and modified by us — not official government data. How these numbers were made.

Treatment class · category · California

Cardiovascular procedures denials at external review

When a California health plan denied care in the cardiovascular procedures class and the enrollee took it to Independent Medical Review, this is what independent physician reviewers decided.

62.3%

Overturned
96 of 154
Era
2021-2025
Jurisdiction
California DMHC IMR
Published class
Cardio-Vasc Proc
Median days to decision
26
All years
52.2% of 502
96 overturned58 upheld

What stands out here

computed from this class
  • the question matters

    The outcome turns on which question was put to the reviewer: 70.0% on experimental/investigational (n=90) against 51.6% on medical necessity (n=64) — a gap of 18 points inside the same treatment class.

  • rising

    It has risen over the published record: 41.5% in 2017 against 60.5% in 2023. What drove that is not in this data — the file holds outcomes, not who chose to appeal or how plans changed their own review.

The trend, with its era

computed
0%25%50%75%100%60.5%20172023Share of decisions overturning the health plan · years below n=30 omitted

Hover the chart for a year’s counts. Series stops at 2025 — report year 2026 uses a different category vocabulary.

What reviewers relied on

3 validated codes

California requires each published decision to carry “a detailed case summary that includes the specific standards, criteria, and medical and scientific evidence, if any, that led to the case decision” (Health & Safety Code § 1374.33(h)(1)(K)). These are the elements our extraction found in this class, split by how the decision came out.

What the reviewer relied onIn overturnsIn upholds
the FDA label or approval status6%n=965%n=58
a standardised level-of-care instrument0%n=960%n=58
a California statutory definition0%n=960%n=58

Read as description, not instruction. These are patterns in what reviewers wrote, not steps to follow, and no combination of them predicts an outcome. Only codes that cleared the validation gate appear — thirteen did not.

Authorities named in this class

computed
  • American College of Cardiology18
  • American Heart Association16
  • FDA9

A rate here is the outcome of decisions that named the authority, not the effect of naming it. Reviewers cite the standard they applied; the citation and the outcome share a cause.

By condition

computed
  • Overturned — the reviewer did not sustain the denial
  • Upheld — the reviewer sustained the denial
  • Cardiac & circulatory61.2%147
  • Genitourinary & kidney3
  • Orthopedic & musculoskeletal3
  • Genetic disease1

Browse all condition classes · Pick your own pair

The specific conditions inside this class

below n=30, no rate is claimed
  • Arrhythmia/Irregular Heart Rhythm27
  • Varicose Veins26
  • Cardiac/Heart Prob18
  • Other18
  • Lymphedema12
  • Cardiac Valve Dis9
  • Congestive Heart Failure7
  • Peripheral Vascular Disease6

By review type

computed
  • Experimental/Investigational70.0%90
  • Medical Necessity51.6%64

Medical-necessity review asks whether the care is needed. Experimental/investigational review asks whether it is likely to be more beneficial than standard therapy — a harder statutory test, and the rates show it.

Every figure on this page is conditional on a denial having reached external review. Fewer than 1% of denials are appealed internally at all, so this describes denials that were fought to the end — not denials in general — and it describes California only. Who this does not cover.

Free help, first: the California DMHC Help Center files your Independent Medical Review at no cost — 1-888-466-2219, dmhc.ca.gov.