Mississippi Impairment Rating Guide
Mississippi workers' compensation requires the latest edition of the AMA Guides to the Evaluation of Permanent Impairment under 20 Miss. Code R. 2-IV – Impairment Rating, rather than naming a specific edition.
Which Edition?
AMA Guides Edition Latest Edition
Statutory Authority
20 Miss. Code R. 2-IV – Impairment Rating(opens in a new tab)
PPD Calculation
Statutory Maximum Weeks 450 weeks
Scheduled injuries use the statutory member schedule. Body-as-a-whole disabilities are compensated as 450 weeks × disability percentage at the applicable compensation rate. Medical impairment is determined under the latest edition of the AMA Guides.
Notes
Commission regulations require physicians performing impairment evaluations to use the most current edition of the AMA Guides. The impairment rating is medical evidence, but the Commission and courts ultimately determine disability under Mississippi workers' compensation law.
Frequently Asked Questions
Which edition of the AMA Guides does Mississippi use?
Mississippi does not name a specific edition. Under 20 Miss. Code R. 2-IV – Impairment Rating, the applicable edition is the latest edition of the AMA Guides to the Evaluation of Permanent Impairment. Because this is a moving reference rather than a fixed one, the controlling edition changes when the AMA publishes a new edition — confirm which edition governs the claim before rating.
How is permanent partial disability calculated in Mississippi?
Scheduled injuries use the statutory member schedule. Body-as-a-whole disabilities are compensated as 450 weeks × disability percentage at the applicable compensation rate. Medical impairment is determined under the latest edition of the AMA Guides.
Where can I find a certified impairment rater in Mississippi?
Browse our directory of certified impairment raters listed for Mississippi. 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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