Overall Comorbidity Score

**Semantic type:** Intellectual Product

**Definition:** Represents the severity grade of organ decompensation for the highest-ranked single comorbid ailment or, in the case in which there are two comorbid ailments in 2 different organ systems each rated as moderate organ decompensation, the overall score is severe.

**Synonyms:** - ACE-27 Overall Comorbidity Score - ACE-27 Overall Score