{"uid":"cap_Okln8V-n8ffDWm9-anrvu","slug":"binet-1981-cll-staging-calculator-8c954482","name":"Binet 1981 CLL Staging Calculator","description":"Binet 1981 CLL staging. Stage C if anemia (Hb <10 g/dL) or thrombocytopenia (platelets <100×10^9/L), regardless of lymphoid areas. Else stage B when involved_areas is 3-5, else stage A when 0-2. The five areas are cervical, axillary, and inguinal (unilateral or bilateral counts as one area each), plus spleen, plus liver; the caller assigns the count. Not a medical device, not a CLL diagnosis, and not Rai staging (Rai anemia is Hb <11).","url":"https://api.magentlab.com/api/calc/binet","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":["anemia_hb_lt_10","thrombocytopenia_plt_lt_100","involved_areas"],"properties":{"involved_areas":{"type":"integer","description":"Count of involved Binet lymphoid areas (integer 0-5) as assigned by the caller after Binet 1981: cervical, axillary, and inguinal (unilateral or bilateral counts as one area each), plus spleen, plus liver. magent does not examine the patient or count lymph-node areas."},"anemia_hb_lt_10":{"type":"boolean","description":"Hb <10 g/dL as assigned by the caller (Binet 1981 stage C cutoff is 10 g/dL, not Rai 11). true or false. magent does not assay hemoglobin."},"thrombocytopenia_plt_lt_100":{"type":"boolean","description":"Platelets <100×10^9/L as assigned by the caller (Binet 1981 stage C). true or false. magent does not count platelets."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_QqSRoaW4ikPfBdXWXXLwH","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 Binet 1981 chronic lymphocytic leukemia (CLL) stage (A, B, or C) from caller-supplied anemia status, thrombocytopenia status, and number of involved lymphoid areas.","exampleAgentPrompt":"Use the Binet 1981 CLL staging calculator: the patient does NOT have anemia (Hb is not below 10) and does NOT have thrombocytopenia, and has 4 involved Binet lymphoid areas — what stage are they?","exampleUseCases":[{"title":"Stage C CLL due to anemia","prompt":"I have a CLL patient with hemoglobin below 10 g/dL, platelets are fine, and 2 involved Binet lymphoid areas. What's their Binet stage?"},{"title":"Distinguish stage A vs B borderline","prompt":"My CLL patient has no anemia, no thrombocytopenia, and exactly 3 involved Binet lymphoid areas — cervical, axillary, and spleen. What Binet stage does that give them?"},{"title":"Thrombocytopenia overrides area count","prompt":"Patient has normal hemoglobin but platelets under 100×10^9/L, and only 1 involved lymphoid area. What is their Binet CLL stage?"}],"resultDescription":"Returns the Binet 1981 CLL stage as A, B, or C: Stage C if anemia (Hb <10) or thrombocytopenia (platelets <100×10^9/L) regardless of lymphoid area count; Stage B if involved areas are 3–5 without the above; Stage A if involved areas are 0–2 without the above.","failureModes":["Missing required query parameters (anemia_hb_lt_10, thrombocytopenia_plt_lt_100, or involved_areas) returns a validation error","involved_areas outside the integer range 0–5 may produce an error or undefined behavior","Boolean parameters passed as non-boolean strings may fail schema validation","Payment not provided or insufficient USDC results in HTTP 402 payment required"],"whenToPreferThis":"Use this endpoint when you need to programmatically apply the Binet 1981 CLL staging system specifically — noting its Hb <10 g/dL anemia cutoff (not the Rai <11 cutoff). Prefer this over manual lookup when automating oncology workflows, building CLL dashboards, or integrating staging into EHR pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:39:07.589Z","isFirstParty":false}