Charlson Comorbidity scoring in ICD10 codes

This page explains how the actual Charlson Comorbidity Index is derived from the Charlson Comorbidities in ICD10 codes.

Points are not included in the listings because the score depends on the combination of diagnoses. For example, if a patient has two diagnoses from the same Charlson component, they are only counted once. Also, if a patient has diagnoses from a lesser and more severe component of the same type (e.g. Diabetes without and with complications), only the higher one counts.

To get the charlson comorbid points for a patient, use query s_ICD10_Charlson_score