Massachusetts Impairment Rating Guide
Massachusetts workers' compensation uses the 5th Edition of the AMA Guides to the Evaluation of Permanent Impairment under M.G.L. c. 152 § 36.
Which Edition?
AMA Guides Edition 5th Edition
Statutory Authority
M.G.L. c. 152 § 36
PPD Calculation
Specific loss benefits per body part based on statutory schedule; impairment percentage applied to scheduled value.
Notes
AMA Guides 5th Edition is the prevailing reference.
Frequently Asked Questions
Which edition of the AMA Guides does Massachusetts use?
Massachusetts uses the 5th Edition of the AMA Guides to the Evaluation of Permanent Impairment under M.G.L. c. 152 § 36. 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 Massachusetts?
Specific loss benefits per body part based on statutory schedule; impairment percentage applied to scheduled value.
Where can I find a certified impairment rater in Massachusetts?
Browse our directory of certified impairment raters listed for Massachusetts. 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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