New AI tool counters health insurance denials decided by automated algorithms

Class-action lawsuits allege algorithms turn down claims in seconds and critics say reform is needed for lasting change

Insurance coverage denials have risen in recent years in the US, driven in part by automated algorithms powered by AI - and some recently launched artificial intelligence tools may fight back by generating automatic appeals.

But to see more lasting change, health experts say that the health insurance system needs greater reform to control high prices and ensure coverage.