Medical Diagnostics & Clinical Scoring

Charlson Comorbidity Index (CCI)

Calculate the Charlson Comorbidity Index to predict 10-year mortality risk based on patient age and chronic comorbid conditions.

Charlson Comorbidity Index
0
Estimated 10-Year Survival98.3

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Charlson Comorbidity Index (CCI) Overview

The Charlson Comorbidity Index (CCI) is a validated method of categorizing comorbidities of patients based on the International Classification of Diseases (ICD) diagnosis codes. It is widely used to predict 10-year mortality for patients who may have a range of comorbid conditions.

Clinical Utility

Clinicians use the CCI to:

  • Adjust for confounding factors in clinical research.
  • Predict surgical outcomes and perioperative risk.
  • Inform discussions about prognosis and goal-setting in chronic disease management.

Total Score = Age Weight + Σ Comorbidity Weights

Where:
Age Weight=
1 point for each decade over age 40 (max 4).
Comorbidity Weights=
Weights ranging from 1 to 6 assigned to conditions like Diabetes, CHF, or Metastatic Tumors.

Frequently Asked Questions

Not necessarily. A high CCI score indicates higher risk, but it is one piece of the clinical picture. It helps inform the risk-benefit analysis.

The CCI was primarily validated in adult populations. For children, the Complex Chronic Conditions (CCC) classification is often preferred.

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