This is a preliminary Chronic Pain-Related Syndrome, created to search relevant ICD10 and a few key terms in emergency department visits in ESSENCE. The codes and terms are specific to non-cancer related chronic pain with exclusions of cases receiving cancer-related ICD10.
ICD10 codes were selected by translating the following ICD9 codes for Chronic Pain contained in this PDF (https://www.cdc.gov/drugoverdose/pdf/pdo_guide_to_icd-9-cm_and_icd-10_co...)
