Oklahoma Impairment Rating Guide
Oklahoma workers' compensation uses the 6th Edition of the AMA Guides to the Evaluation of Permanent Impairment under 85A O.S. § 45(C)(1).
Which Edition?
AMA Guides Edition 6th Edition
Statutory Authority
85A O.S. § 45(C)(1)(opens in a new tab)
PPD Calculation
Statutory Maximum Weeks 360 weeks
Whole-body PPD = disability % × 360 weeks × applicable weekly PPD rate. Scheduled members use the statutory schedule in § 46.
Notes
AMA Guides 6th Edition required by statute for injuries on/after February 1, 2014.
Frequently Asked Questions
Which edition of the AMA Guides does Oklahoma use?
Oklahoma uses the 6th Edition of the AMA Guides to the Evaluation of Permanent Impairment under 85A O.S. § 45(C)(1). 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 Oklahoma?
Whole-body PPD = disability % × 360 weeks × applicable weekly PPD rate. Scheduled members use the statutory schedule in § 46.
Where can I find a certified impairment rater in Oklahoma?
Browse our directory of certified impairment raters listed for Oklahoma. 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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