Health

Charlson Comorbidity Index (Age-Adjusted)

Calculate the Charlson Comorbidity Index (CCI), including the age-adjusted variant, to predict 1-year mortality from chronic comorbidities. 19 comorbidities are weighted by mortality risk: 1 point (MI, CHF, PVD, cerebrovascular disease, dementia, chronic pulmonary disease, connective tissue disease, peptic ulcer, mild liver disease, diabetes without complications); 2 points (hemiplegia/paraplegia, moderate-to-severe CKD, diabetes with end-organ damage, any non-metastatic tumor, leukemia, lymphoma); 3 points (moderate-to-severe liver disease); 6 points (metastatic solid tumor, AIDS). Age adjustment adds 1 point per decade ≥50 (50-59 +1 … ≥90 +5). Interpretation: 0 ~8%, 1-2 ~25%, 3-4 ~50%, ≥5 ~80-90% 1-year mortality (derivation cohort). Derived from Charlson 1987 (J Chronic Dis) and the 1994 validation. Not medical advice.

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/charlson-comorbidity-index' \
  -H 'Content-Type: application/json' \
  -d '{"age":75,"mi":true,"chf":false,"pvd":false,"cvd":false,"dementia":false,"pulmonary":false,"connective":false,"ulcer":false,"mildLiver":false,"dmSimple":true,"hemiplegia":false,"ckd":false,"dmOrgan":false,"tumor":false,"leukemia":false,"lymphoma":false,"severeLiver":false,"metastatic":true,"aids":false}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/charlson-comorbidity-index

Parameters

Name	Type	Required	Description
age	number	Yes	Age in years. Adds 1 point per decade ≥50 (50-59 +1, 60-69 +2, 70-79 +3, 80-89 +4, ≥90 +5).
mi	checkbox	No	History of myocardial infarction. +1.
chf	checkbox	No	Congestive heart failure. +1.
pvd	checkbox	No	Peripheral vascular disease. +1.
cvd	checkbox	No	Cerebrovascular disease (TIA, stroke). +1.
dementia	checkbox	No	Dementia. +1.
pulmonary	checkbox	No	Chronic pulmonary disease (e.g., COPD). +1.
connective	checkbox	No	Connective tissue disease (e.g., SLE, RA). +1.
ulcer	checkbox	No	Peptic ulcer disease. +1.
mildLiver	checkbox	No	Mild liver disease (chronic hepatitis, cirrhosis without portal HTN). +1.
dmSimple	checkbox	No	Diabetes without end-organ damage. +1.
hemiplegia	checkbox	No	Hemiplegia or paraplegia. +2.
ckd	checkbox	No	Moderate-to-severe chronic kidney disease. +2.
dmOrgan	checkbox	No	Diabetes with end-organ damage (retinopathy, neuropathy, nephropathy). +2.
tumor	checkbox	No	Any solid tumor (non-metastatic) within last 5 years. +2.
leukemia	checkbox	No	Leukemia (acute or chronic). +2.
lymphoma	checkbox	No	Lymphoma. +2.
severeLiver	checkbox	No	Moderate-to-severe liver disease (cirrhosis with portal HTN). +3.
metastatic	checkbox	No	Metastatic solid tumor. +6.
aids	checkbox	No	AIDS (not just HIV). +6.

Response format

JSON result

JSON

{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-charlson-comorbidity-index": {
      "name": "charlson-comorbidity-index",
      "description": "Calculate the Charlson Comorbidity Index (CCI), including the age-adjusted variant, to predict 1-year mortality from chronic comorbidities. 19 comorbidities are weighted by mortality risk: 1 point (MI, CHF, PVD, cerebrovascular disease, dementia, chronic pulmonary disease, connective tissue disease, peptic ulcer, mild liver disease, diabetes without complications); 2 points (hemiplegia/paraplegia, moderate-to-severe CKD, diabetes with end-organ damage, any non-metastatic tumor, leukemia, lymphoma); 3 points (moderate-to-severe liver disease); 6 points (metastatic solid tumor, AIDS). Age adjustment adds 1 point per decade ≥50 (50-59 +1 … ≥90 +5). Interpretation: 0 ~8%, 1-2 ~25%, 3-4 ~50%, ≥5 ~80-90% 1-year mortality (derivation cohort). Derived from Charlson 1987 (J Chronic Dis) and the 1994 validation. Not medical advice.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=charlson-comorbidity-index",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "charlson-comorbidity-index",
    "arguments": {
  "age": 75,
  "mi": true,
  "chf": false,
  "pvd": false,
  "cvd": false,
  "dementia": false,
  "pulmonary": false,
  "connective": false,
  "ulcer": false,
  "mildLiver": false,
  "dmSimple": true,
  "hemiplegia": false,
  "ckd": false,
  "dmOrgan": false,
  "tumor": false,
  "leukemia": false,
  "lymphoma": false,
  "severeLiver": false,
  "metastatic": true,
  "aids": false
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]