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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 · subcategory · California

Lab Work denials at external review

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

25.1%

Overturned
42 of 167
Era
2021-2025
Jurisdiction
California DMHC IMR
Published class
Lab Work
Median days to decision
52
All years
31.7% of 1,011
42 overturned125 upheld

What stands out here

computed from this class
  • among the lowest

    At 25.1%, this is the 6th-lowest overturn rate of the 70 treatment classes carrying one — one of the few where reviewers more often agreed with the plan than not.

The trend, with its era

computed
0%25%50%75%100%SB 1410 field mandate30.8%20152025Share 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 status14%n=420%n=125
a standardised level-of-care instrument0%n=420%n=125
a California statutory definition0%n=420%n=125

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 Obstetricians and Gynecologists20
  • American College of Cardiology19
  • American Heart Association16
  • FDA6
  • American Gastroenterological Association4
  • IDSA4
  • American College of Rheumatology3
  • NCCN3

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
  • Genitourinary & kidney28
  • Endocrine & metabolic24
  • Digestive & GI19
  • Cardiac & circulatory18
  • Infectious disease15
  • Prevention & wellness12
  • Pregnancy/Childbirth10
  • Orthopedic & musculoskeletal9

Browse all condition classes · Pick your own pair

The specific conditions inside this class

below n=30, no rate is claimed
  • Vaginal Infection20
  • Other19
  • High Cholesterol13
  • Not classified12
  • Allergy9
  • Pregnancy8
  • Osteoporosis7
  • Ulcerative Colitis5

By review type

computed
  • Experimental/Investigational24.8%141
  • Medical Necessity25
  • Urgent Care1

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.