{"uid":"cap_yfzIlC9iBeBbqs3h1kFKy","slug":"mascc-risk-index-calculator-5b419b63","name":"MASCC Risk Index Calculator","description":"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.","url":"https://api.magentlab.com/api/calc/mascc","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["burden","no_hypotension","no_copd","solid_tumor_or_no_prior_fungal","outpatient","no_dehydration","age_lt_60"],"properties":{"burden":{"enum":["none_or_mild","moderate","severe"],"type":"string","description":"Caller-assigned burden of illness (none_or_mild, moderate, or severe). Klastersky 2000: none_or_mild → 5, moderate → 3, severe → 0. One value, not cumulative."},"no_copd":{"type":"boolean","description":"No COPD as assigned by the caller (Klastersky 2000). true scores 4."},"age_lt_60":{"type":"boolean","description":"Age <60 years as assigned by the caller (Klastersky 2000). true scores 2. magent does not parse a numeric age here."},"outpatient":{"type":"boolean","description":"Outpatient status at fever onset as assigned by the caller (Klastersky 2000). true scores 3."},"no_dehydration":{"type":"boolean","description":"No dehydration requiring parenteral fluids as assigned by the caller (Klastersky 2000). true scores 3."},"no_hypotension":{"type":"boolean","description":"No hypotension (SBP >90 mm Hg) as assigned by the caller (Klastersky 2000). true scores 5. magent does not read a blood pressure."},"solid_tumor_or_no_prior_fungal":{"type":"boolean","description":"Solid tumor, or hematologic malignancy without previous fungal infection, as assigned by the caller (Klastersky 2000). One item. true scores 4."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"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"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_642iwSieNYXKlWsSYzQHJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the MASCC (Multinational Association for Supportive Care in Cancer) febrile neutropenia risk index score from seven clinical flags to identify low-risk patients","exampleAgentPrompt":"Calculate the MASCC febrile neutropenia risk score for a patient with moderate burden of illness, no hypotension, no COPD, solid tumor without prior fungal infection, outpatient status at fever onset, no dehydration, and age under 60 — and tell me if they're low risk.","exampleUseCases":[{"title":"Outpatient triage for febrile neutropenia","prompt":"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?"},{"title":"Inpatient high-risk febrile neutropenia flag","prompt":"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."},{"title":"Clinical audit of febrile neutropenia risk","prompt":"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."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:09:25.435Z","isFirstParty":false}