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Permanent Disability Rating and Apportionment

Understanding how permanent disability is rated—and how responsibility is shared—is critical to ensuring accurate benefit delivery. This module explores the PD rating process, including use of the rating schedule, medical modifiers, and apportionment principles. You’ll learn how to interpret reports, apply the rating formula, and determine the portion of disability attributable to work-related causes.

Key Learning Outcomes

  • Understand the components of the permanent disability rating formula

  • Apply medical and non-medical modifiers to rating decisions

  • Learn how apportionment affects final PD percentages

  • Interpret medical reports and rating instructions

  • Coordinate ratings with final settlement strategies

Who Should Enroll

This course is ideal for claims adjusters, hearing reps, and legal staff who handle permanent disability cases or settlements. It’s particularly valuable for those responsible for finalizing PD levels and defending rating decisions.

Sullivan on Comp

The Claims Practitioner in Workers’ Compensation (CPWC) program is powered by Sullivan on Comp (SOC) and SOC Essentials—the most trusted resources in California workers’ compensation.

These expert materials deliver:

  • In-depth legal analysis

  • Practical, real-world claims guidance

  • Current updates on laws, regulations, and case law


With SOC integrated into this course, you’ll gain the legal insight and practical tools needed to handle California workers’ compensation claims with skill and confidence.

Topics Covered

This module covers the technical and legal aspects of PD rating and apportionment:

  • Overview of the PD rating schedule

  • Whole person impairment (WPI) and adjustments

  • Factors of disability and modifiers

  • Apportionment to prior or non-industrial causes

  • How ratings affect settlements and future liability

Why Professionals Trust This Course

This course is designed for professionals who are ready to build—or strengthen—a career in California workers’ compensation:

Updated for 2024 with real-world claims examples
Aligned with California DWC training requirements
Integrated with Sullivan on Comp for legal and practical clarity
Flexible, on-demand format for working professionals
Part of the full CPWC Certification path

CPWC20

On-Demand

Payment plans available.

Up-to-Date Content Developed with Industry Leaders

Upgrade to a Certification on Workers’ Comp

Students who chose certifications got:

Become a Workers' Compensation Expert

Ready to take the next step towards a rewarding career in the workers’ compensation industry? Look no further!

Connect with our experienced counselor to determine the best class or path for your goals.

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