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What does Permanent and Stationary or MMI mean?
Permanent and Stationary (P&S) and Maximum Medical Improvement (MMI) mean a work injury has stabilized. Permanent disability is usually evaluated then.
- What does Permanent and Stationary or MMI mean?
- Permanent and Stationary (P&S) and Maximum Medical Improvement (MMI) generally mean your medical condition has stabilized and is not expected to substantially improve with additional treatment. This is usually when permanent disability is evaluated.
What often happens next
Temporary disability often stops around this point because TD is designed for the healing period. Read why MMI stops TD if checks ended after a P&S or MMI report.
Disclaimer
This page is general education about California workers’ compensation—not legal advice. Your facts, dates, and medical reports control. Workplace Rights Advocacy focuses on civil employment claims. Benefit and medical disputes inside the workers’ compensation system are often best handled by a workers’ compensation attorney. If an employer is forcing you out, denying accommodations, or retaliating around a work injury, that may be an employment case we can evaluate.
Related: What is Permanent Disability (PD)? · How is my PD percentage determined? · What is Temporary Disability (TD)? · What is a QME? · Legal FAQs · Disability Accommodation · Retaliation Claims