Calc Michigan Picc
by magent in Security & trust
Chopra 2017 Michigan Risk Score for PICC-associated thrombosis: another CVC at PICC placement 1, WBC >12 x10^9/L 1 (12.0 does not score), active cancer 2, PICC lumens single 0 / double 2 / triple 3 (triple includes quad), VTE history never 0 / remote 2 / within 30 days 3 (one field; do not add remote and recent). Max 10. Classes I=0 (observed 0.9%), II=1-2 (1.6%), III=3-4 (2.7%), IV=>4 (4.7% Table 4). Not a PICC order. magent does not count lumens.
https://api.magentlab.com/api/calc/michigan_picc- Price
- $0.007
- per call in USDC
- Uptime
- 97.0%
- last 30 days
- Response time
- 153 ms
- 590 ms slowest 5%
- Last check
- Failed
- 4 h ago, next any minute now
Reliability
Latest check failed 4 h ago: Timed out
Status and outage history · Atom feed · Watch with other listings
How to call it
POST https://api.magentlab.com/api/calc/michigan_picc
Each call costs $0.007 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
POST https://api.magentlab.com/api/calc/michigan_picc
content-type: application/json
{
"items": [
{
"active_cancer": false,
"other_cvc": false,
"picc_lumens": "single",
"vte_history": "never",
"wbc_k_ul": 8,
"wbc_ul": 8000
},
{
"active_cancer": false,
"other_cvc": false,
"picc_lumens": "single",
"vte_history": "never",
"wbc_k_ul": 8,
"wbc_ul": 8000
}
]
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
items | array of object | Yes |
Example response
The provider's example. We can't check it without paying.
Example response, 106 lines
{
"count": 2,
"items": [
{
"citation": {
"authors": "Chopra V, Kaatz S, Conlon A, Paje D, Grant PJ, Rogers MAM, Bernstein SJ, Saint S, Flanders SA",
"doi": "10.1111/jth.13794",
"id": "chopra-2017",
"pmid": "28796444",
"source": "J Thromb Haemost. 2017;15(10):1951-1962",
"title": "The Michigan Risk Score to predict peripherally inserted central catheter-associated thrombosis"
},
"components": [
{
"factor": "other_cvc",
"points": 0,
"present": false
},
{
"factor": "wbc_gt_12",
"points": 0,
"present": false,
"value": 8000
},
{
"factor": "active_cancer",
"points": 0,
"present": false
},
{
"factor": "picc_lumens",
"points": 0,
"present": false,
"value": "single"
},
{
"factor": "vte_history",
"points": 0,
"present": false,
"value": "never"
}
],
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"formula": "michigan_picc",
"formula_expression": "Michigan PICC-DVT (Chopra 2017) = other_cvc (1) + (WBC >12 x10^9/L) (1) + active_cancer (2) + picc_lumens (single 0, double 2, triple 3; triple includes quad) + vte_history (never 0, remote 2, within_30_days 3); max 10; class I=0 (observed 0.9%), II=1-2 (1.6%), III=3-4 (2.7%), IV=>4 (4.7% Table 4)",
"max_score": 10,
"observed_vte_percent": 0.9,
"picc_lumens": "single",
"risk_class": "I",
"score": 0,
"vte_history": "never",
"wbc_ul": 8000
},
{
"citation": {
"authors": "Chopra V, Kaatz S, Conlon A, Paje D, Grant PJ, Rogers MAM, Bernstein SJ, Saint S, Flanders SA",
"doi": "10.1111/jth.13794",
"id": "chopra-2017",
"pmid": "28796444",
"source": "J Thromb Haemost. 2017;15(10):1951-1962",
"title": "The Michigan Risk Score to predict peripherally inserted central catheter-associated thrombosis"
},
"components": [
{
"factor": "other_cvc",
"points": 0,
"present": false
},
{
"factor": "wbc_gt_12",
"points": 0,
"present": false,
"value": 8000
},
{
"factor": "active_cancer",
"points": 0,
"present": false
},
{
"factor": "picc_lumens",
"points": 0,
"present": false,
"value": "single"
},
{
"factor": "vte_history",
"points": 0,
"present": false,
"value": "never"
}
],
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"formula": "michigan_picc",
"formula_expression": "Michigan PICC-DVT (Chopra 2017) = other_cvc (1) + (WBC >12 x10^9/L) (1) + active_cancer (2) + picc_lumens (single 0, double 2, triple 3; triple includes quad) + vte_history (never 0, remote 2, within_30_days 3); max 10; class I=0 (observed 0.9%), II=1-2 (1.6%), III=3-4 (2.7%), IV=>4 (4.7% Table 4)",
"max_score": 10,
"observed_vte_percent": 0.9,
"picc_lumens": "single",
"risk_class": "I",
"score": 0,
"vte_history": "never",
"wbc_ul": 8000
}
],
"path": "/api/calc/michigan_picc"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.007.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/michigan_picc' \
-H 'content-type: application/json' \
--data-raw '{"items":[{"active_cancer":false,"other_cvc":false,"picc_lumens":"single","vte_history":"never","wbc_k_ul":8,"wbc_ul":8000},{"active_cancer":false,"other_cvc":false,"picc_lumens":"single","vte_history":"never","wbc_k_ul":8,"wbc_ul":8000}]}'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.magentlab.com/api/calc/michigan_picc' \
-H 'content-type: application/json' \
--data-raw '{"items":[{"active_cancer":false,"other_cvc":false,"picc_lumens":"single","vte_history":"never","wbc_k_ul":8,"wbc_ul":8000},{"active_cancer":false,"other_cvc":false,"picc_lumens":"single","vte_history":"never","wbc_k_ul":8,"wbc_ul":8000}]}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.007 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.007" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.007 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fmichigan_picc&method=POST
const res = await pay("https://api.magentlab.com/api/calc/michigan_picc", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"items": [
{
"active_cancer": false,
"other_cvc": false,
"picc_lumens": "single",
"vte_history": "never",
"wbc_k_ul": 8,
"wbc_ul": 8000
},
{
"active_cancer": false,
"other_cvc": false,
"picc_lumens": "single",
"vte_history": "never",
"wbc_k_ul": 8,
"wbc_ul": 8000
}
]
}),
});
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.007 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.007"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://api.magentlab.com/api/calc/michigan_picc",
json={
"items": [
{
"active_cancer": False,
"other_cvc": False,
"picc_lumens": "single",
"vte_history": "never",
"wbc_k_ul": 8,
"wbc_ul": 8000,
},
{
"active_cancer": False,
"other_cvc": False,
"picc_lumens": "single",
"vte_history": "never",
"wbc_k_ul": 8,
"wbc_ul": 8000,
},
],
},
)
print(res.status_code, res.text)Security scan
1 finding
- Charges more than its listed price in payment
Listed at $0.005, charges $0.007
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 4 h ago | Timed out | - | - | - |
| 9 h ago | Passed | 402 | 143 ms | $0.007 |
| 14 h ago | Passed | 402 | 142 ms | $0.007 |
| 18 h ago | Passed | 402 | 152 ms | $0.007 |
| 23 h ago | Passed | 402 | 635 ms | $0.007 |
Show 10 older checks
| 28 h ago | Passed | 402 | 145 ms | $0.007 |
| 32 h ago | Passed | 402 | 158 ms | $0.007 |
| 36 h ago | Passed | 402 | 148 ms | $0.007 |
| 40 h ago | Passed | 402 | 295 ms | $0.007 |
| 44 h ago | Passed | 402 | 142 ms | $0.007 |
| 2 days ago | Passed | 402 | 245 ms | $0.007 |
| 2 days ago | Passed | 402 | 260 ms | $0.007 |
| 2 days ago | Passed | 402 | 268 ms | $0.007 |
| 3 days ago | Passed | 402 | 143 ms | $0.007 |
| 3 days ago | Passed | 402 | 154 ms | $0.007 |
History
| 11 Oct 2026 | Price changed from $0.005 to $0.007 |