HomeResearchResearch ReportsInjury Classification in California Workers’ Comp, Part 1: Medical Coding During the ICD-10 Transition

Injury Classification in California Workers’ Comp, Part 1: Medical Coding During the ICD-10 Transition

A new analysis on the use of ICD-10 codes in California workers comp during the transition from the ICD-9 system finds that 99 percent of submitted medical bills used ICD-10 codes and, as expected, a wider range of codes were provided than in the past, but many lacked the additional characters that better define the injury, identify the type of encounter and improve communication.