Colorado Impairment Rating Guide
Colorado workers' compensation uses the 3rd Edition, Revised of the AMA Guides to the Evaluation of Permanent Impairment under C.R.S. § 8-42-101.
Which Edition?
AMA Guides Edition 3rd Edition, Revised
Statutory Authority
C.R.S. § 8-42-101
PPD Calculation
Whole-person impairment × age factor × $$ value per percentage point (statutory). Scheduled losses use Colorado-specific schedule.
Notes
Colorado is unique in mandating the AMA Guides 3rd Edition, Revised — not 5th or 6th. Verify current statutory cite.
Frequently Asked Questions
Which edition of the AMA Guides does Colorado use?
Colorado uses the 3rd Edition, Revised of the AMA Guides to the Evaluation of Permanent Impairment under C.R.S. § 8-42-101. The applicable edition is generally determined by the worker's date of injury; consult counsel for cases that straddle effective-date transitions.
How is permanent partial disability calculated in Colorado?
Whole-person impairment × age factor × $$ value per percentage point (statutory). Scheduled losses use Colorado-specific schedule.
Where can I find a certified impairment rater in Colorado?
Browse our directory of certified impairment raters listed for Colorado. 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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