Overview

Cigna Group is one of the largest U.S. health insurance companies, covering or administering health care plans for approximately 18 million people. It is the subject of ProPublica’s 2023 investigation into the PxDx algorithmic claim-denial system and appears in KFF’s 2024 analysis as a major HealthCare.gov marketplace insurer.

Key Facts

Newsletter Relevance

Cigna’s PxDx system is the consumer-scale instantiation of the Institutional Gaslighting architecture: algorithmic exhaustion operating at 1.2 seconds per decision. It pairs with Claims Denials and Appeals ACA Marketplace Plans 2024 KFF to show both the mechanism (PxDx) and the population-level outcome (<1% appeal rate). The legal exposure angle — that the system may violate state insurance laws — positions it as a component-four (toothless legal instruments) case at the consumer scale.

Connections

Source Appearances

Open Questions

  • Has any state insurance regulator brought an enforcement action against Cigna over the PxDx system?
  • Did Cigna modify or discontinue PxDx after the ProPublica investigation?
  • Is similar algorithmic batch-denial technology used by other major insurers (Elevance, UnitedHealth, Aetna)?