3M Health Information Systems
Evolution of the International Refined Diagnosis Related Groups (IR-DRGs) from Version 1.0 to Version 3.2
Published by AHIMA World Congress, September 2017,
by Marc Berlinguet, MD; Sue Boucher; and JulieAnne Perry.
The IR DRGs constantly evolve with current knowledge and classifications used world-wide. IR-DRGs are currently used in various healthcare systems and in many countries around the world.
Source: Berlinguet M, Boucher S, Perry J. Evolution of the International Refined Diagnosis Related Groups (IR-DRGs) from version 1.0 to version 3.2. International Digest, AHIMA World Congress. September 2017.