Pennsylvania Impairment Rating Guide
Pennsylvania workers' compensation uses the 6th Edition of the AMA Guides to the Evaluation of Permanent Impairment under 77 P.S. § 511.3 (Act 111 of 2018).
Which Edition?
AMA Guides Edition 6th Edition
Statutory Authority
77 P.S. § 511.3 (Act 111 of 2018)
PPD Calculation
Statutory Maximum Weeks 500 weeks
IRE (Impairment Rating Evaluation) at 50% WPI threshold converts TTD to partial disability status. 500-week cap on partial disability.
Notes
Following the Protz decision invalidating the prior statute, Act 111 of 2018 restored IRE using AMA Guides 6th Edition.
Frequently Asked Questions
Which edition of the AMA Guides does Pennsylvania use?
Pennsylvania uses the 6th Edition of the AMA Guides to the Evaluation of Permanent Impairment under 77 P.S. § 511.3 (Act 111 of 2018). The applicable edition is generally determined by the worker's date of injury; consult counsel for cases that straddle effective-date transitions.
How is permanent partial disability calculated in Pennsylvania?
IRE (Impairment Rating Evaluation) at 50% WPI threshold converts TTD to partial disability status. 500-week cap on partial disability.
Where can I find a certified impairment rater in Pennsylvania?
Browse our directory of certified impairment raters listed for Pennsylvania. View the directory →
Does this information constitute legal or medical advice?
No. This page provides general statutory and methodological information for educational purposes only. Statutes change, case law shifts controlling interpretation, and individual cases turn on facts beyond what reference material can capture. Consult qualified legal counsel and a credentialed rating physician for any specific matter.
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