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MASCC Risk Index Calculator
x402
MASCC Risk Index Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Computes the MASCC (Multinational Association for Supportive Care in Cancer) febrile neutropenia risk index score from seven clinical flags to identify low-risk patients
Price / call$0.005
Success—
StatusUnknown
How this service works
MASCC risk index from Klastersky 2000: one burden-of-illness value (none_or_mild 5, moderate 3, severe 0) plus no hypotension (5), no COPD (4), solid tumor or hematologic malignancy without previous fungal infection (4), outpatient (3), no dehydration (3), and age <60 (2). Max 26; low-risk ≥21. Deterministic published arithmetic with citation; not an outpatient-chemotherapy order; magent does not read a blood pressure.
Output
Returns the computed MASCC total score (0–26) along with an indication of whether the patient is low risk (score ≥21) or high risk (score <21), based on deterministic arithmetic from the seven caller-supplied clinical flags.
Example use cases
Outpatient triage for febrile neutropenia
“I have a febrile neutropenic patient who's an outpatient, under 60, mild burden of illness, no hypotension, no COPD, solid tumor with no prior fungal infection, and not dehydrated — can you run the MASCC score and tell me if they qualify as low risk?”
Inpatient high-risk febrile neutropenia flag
“Score this inpatient febrile neutropenia case with severe burden of illness, hypotension present, COPD present, hematologic malignancy with prior fungal infection, and patient is over 60 with dehydration — give me the MASCC total and risk category.”
Clinical audit of febrile neutropenia risk
“For a patient with moderate illness burden, no hypotension, no COPD, solid tumor and no prior fungal infection, admitted as inpatient, no dehydration, and age over 60 — compute the MASCC risk index score from the Klastersky 2000 criteria.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/masccWhen to prefer
Use this endpoint when you need a deterministic, citation-backed MASCC febrile neutropenia risk score computed from discrete clinical flags already assessed by the caller. Prefer this over manual arithmetic to avoid calculation errors and to get a structured, auditable output. Not appropriate for ordering chemotherapy, measuring vital signs, or diagnosing; the caller must pre-assess all seven clinical variables.
Side effects
- Missing required query parameters returns a validation error
- Invalid enum value for 'burden' (not none_or_mild/moderate/severe) causes a bad request
- Boolean fields supplied as strings rather than booleans may cause parse errors
- Network timeout if the endpoint is temporarily unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"path": "/api/calc/mascc",
"count": 2,
"items": [
{
"score": 26,
"burden": "none_or_mild",
"formula": "mascc",
"citation": {
"id": "klastersky-2000",
"doi": "10.1200/JCO.2000.18.16.3038",
"pmid": "10944139",
"title": "The Multinational Association for Supportive Care in Cancer risk index: a multinational scoring system for identifying low-risk febrile neutropenic cancer patients",
"source": "J Clin Oncol. 2000;18(16):3038-3051",
"authors": "Klastersky J, Paesmans M, Rubenstein EB, Boyer M, Elting L, Feld R, Gallagher J, Herrstedt J, Rapoport B, Rolston K, Talcott J"
},
"max_score": 26,
"components": [
{
"value": "none_or_mild",
"factor": "burden",
"points": 5,
"present": true
},
{
"factor": "no_hypotension",
"points": 5,
"present": true
},
{
"factor": "no_copd",
"points": 4,
"present": true
},
{
"factor": "solid_tumor_or_no_prior_fungal",
"points": 4,
"present": true
},
{
"factor": "outpatient",
"points": 3,
"present": true
},
{
"factor": "no_dehydration",
"points": 3,
"present": true
},
{
"factor": "age_lt_60",
"points": 2,
"present": true
}
],
"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.",
"mascc_band": "low_risk",
"formula_expression": "MASCC = burden (none_or_mild 5, moderate 3, severe 0; one value) + no_hypotension 5 + no_copd 4 + solid_tumor_or_no_prior_fungal 4 + outpatient 3 + no_dehydration 3 + age_lt_60 2; Klastersky 2000; max 26; low-risk ≥21"
},
{
"score": 26,
"burden": "none_or_mild",
"formula": "mascc",
"citation": {
"id": "klastersky-2000",
"doi": "10.1200/JCO.2000.18.16.3038",
"pmid": "10944139",
"title": "The Multinational Association for Supportive Care in Cancer risk index: a multinational scoring system for identifying low-risk febrile neutropenic cancer patients",
"source": "J Clin Oncol. 2000;18(16):3038-3051",
"authors": "Klastersky J, Paesmans M, Rubenstein EB, Boyer M, Elting L, Feld R, Gallagher J, Herrstedt J, Rapoport B, Rolston K, Talcott J"
},
"max_score": 26,
"components": [
{
"value": "none_or_mild",
"factor": "burden",
"points": 5,
"present": true
},
{
"factor": "no_hypotension",
"points": 5,
"present": true
},
{
"factor": "no_copd",
"points": 4,
"present": true
},
{
"factor": "solid_tumor_or_no_prior_fungal",
"points": 4,
"present": true
},
{
"factor": "outpatient",
"points": 3,
"present": true
},
{
"factor": "no_dehydration",
"points": 3,
"present": true
},
{
"factor": "age_lt_60",
"points": 2,
"present": true
}
],
"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.",
"mascc_band": "low_risk",
"formula_expression": "MASCC = burden (none_or_mild 5, moderate 3, severe 0; one value) + no_hypotension 5 + no_copd 4 + solid_tumor_or_no_prior_fungal 4 + outpatient 3 + no_dehydration 3 + age_lt_60 2; Klastersky 2000; max 26; low-risk ≥21"
}
]
}
}Tags
x402
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