Health
Creatinine Clearance Calculator (Cockcroft-Gault)
Estimate creatinine clearance (CrCl) with the Cockcroft-Gault equation: CrCl (mL/min) = [(140 − Age) × Weight(kg)] / [72 × SCr(mg/dL)] × 0.85 if female. Choose the weight basis: Actual Body Weight (ABW), Ideal Body Weight (IBW, Devine 1974), or Adjusted Body Weight (AdjBW = IBW + 0.4 × (ABW − IBW), for obese patients). Optional SCr floor at 1.0 mg/dL for elderly / low-muscle-mass patients. Returns an UN-indexed CrCl in mL/min — the value drug-dosing tables use (for BSA-indexed eGFR use MDRD or CKD-EPI). Derived from Cockcroft & Gault, Nephron 1976. Valid for stable renal function in adults. Not medical advice.
Quick start
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/creatinine-clearance-cockcroft' \
-H 'Content-Type: application/json' \
-d '{"age":70,"sex":"male","weight":75,"height":0,"serumCreatinine":1,"weightBasis":"ABW","roundScr":false,"decimalPlaces":4}'API reference
Send a POST request with your inputs as JSON. File parameters require a separate upload first.
Endpoint
POST https://api.elysiatools.com/en/api/tools/creatinine-clearance-cockcroftParameters
| Name | Type | Required | Description |
|---|---|---|---|
| age | number | Yes | Patient age in years. Must be ≥18 and ≤120. |
| sex | select | No | — |
| weight | number | Yes | Actual body weight in kg. Must be positive. |
| height | number | No | Height in cm. Required when weight basis is IBW or AdjBW. |
| serumCreatinine | number | Yes | Serum creatinine in mg/dL. Must be positive. |
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:
{
"mcpServers": {
"elysiatools-creatinine-clearance-cockcroft": {
"name": "creatinine-clearance-cockcroft",
"description": "Estimate creatinine clearance (CrCl) with the Cockcroft-Gault equation: CrCl (mL/min) = [(140 − Age) × Weight(kg)] / [72 × SCr(mg/dL)] × 0.85 if female. Choose the weight basis: Actual Body Weight (ABW), Ideal Body Weight (IBW, Devine 1974), or Adjusted Body Weight (AdjBW = IBW + 0.4 × (ABW − IBW), for obese patients). Optional SCr floor at 1.0 mg/dL for elderly / low-muscle-mass patients. Returns an UN-indexed CrCl in mL/min — the value drug-dosing tables use (for BSA-indexed eGFR use MDRD or CKD-EPI). Derived from Cockcroft & Gault, Nephron 1976. Valid for stable renal function in adults. Not medical advice.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=creatinine-clearance-cockcroft",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}List available tools
After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Call this tool
Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "creatinine-clearance-cockcroft",
"arguments": {
"age": 70,
"sex": "male",
"weight": 75,
"height": 0,
"serumCreatinine": 1,
"weightBasis": "ABW",
"roundScr": false,
"decimalPlaces": 4
}
}
}