Natural Progression
Legal basis: LC §4663
Definition
The expected course of a medical condition if unaffected by industrial injury, used in apportionment analysis to distinguish disability caused by work from disability that would have occurred regardless. The evaluating physician must assess whether industrial exposure accelerated or worsened a condition beyond its natural progression.
Related Terms
Frequently Asked Questions
What is a Natural Progression?
The expected course of a medical condition if unaffected by industrial injury, used in apportionment analysis to distinguish disability caused by work from disability that would have occurred regardless. The evaluating physician must assess whether industrial exposure accelerated or worsened a condition beyond its natural progression.
What is the legal basis for Natural Progression in California workers' compensation?
Natural Progression is governed by LC §4663 under California workers' compensation law. This statute defines the requirements, procedures, and standards for natural progression in the workers' compensation system as of 2026.
Why is natural progression important in workers' compensation?
Natural Progression is a key medical concept in workers' compensation evaluations. Understanding this term helps physicians document findings accurately and helps attorneys and adjusters evaluate the medical aspects of a claim.