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P&S Medical Terminology
Updated March 2026

Permanent and Stationary (P&S)

Legal basis: LC §4061

Definition

The point at which an injured worker's medical condition has stabilized and is not expected to improve or worsen substantially with or without further treatment. When a patient reaches P&S status, the treating or evaluating physician can assess permanent impairment and issue work restrictions. Synonymous with maximum medical improvement.

Related Terms

Frequently Asked Questions

What is a Permanent and Stationary (P&S)?

The point at which an injured worker's medical condition has stabilized and is not expected to improve or worsen substantially with or without further treatment. When a patient reaches P&S status, the treating or evaluating physician can assess permanent impairment and issue work restrictions. Synonymous with maximum medical improvement.

What is the legal basis for P&S in California workers' compensation?

Permanent and Stationary is governed by LC §4061 under California workers' compensation law. This statute defines the requirements, procedures, and standards for permanent and stationary in the workers' compensation system as of 2026.

Why is permanent and stationary important in workers' compensation?

Permanent and Stationary 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.