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BALL Score Calculator (Soumerai 2019) for Relapsed/Refractory CLL
x402
BALL Score Calculator (Soumerai 2019) for Relapsed/Refractory CLL is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Computes the Soumerai 2019 BALL prognostic score (0–4) for relapsed or refractory CLL and returns a risk category (low, intermediate, or high) based on four caller-assigned boolean flags.
Price / call$0.005
Success—
StatusUnknown
How this service works
Soumerai 2019 BALL score for relapsed or refractory CLL. Four caller-assigned 1-point flags (max 4): beta-2-microglobulin at the paper's published cutoff (>=5 mg/dL), LDH > laboratory ULN, anemia (Hb <110 g/L women or <120 g/L men), and time from initiation of last therapy <24 months. Risk low 0-1, intermediate 2-3, high 4. magent does not assay labs or convert B2M mg/L vs mg/dL. Not a treatment recommendation.
Output
Returns a numeric BALL score (integer 0–4) and a risk category string — low (0–1), intermediate (2–3), or high (4) — based on the sum of the four boolean input flags. Does not provide treatment recommendations or lab assay results.
Example use cases
Pre-clinic CLL risk triage
“I have a relapsed CLL patient whose B2M is ≥5 mg/dL, LDH is above the ULN, hemoglobin is fine so no anemia, and they finished their last line of therapy 30 months ago. Can you run the Soumerai BALL score to see whether they're low, intermediate, or high risk?”
Oncology app automated scoring
“For our CLL dashboard, calculate the BALL score for a patient with b2m_ge_5=true, ldh_gt_uln=false, anemia=true, and last_therapy_lt_24mo=true — I need the numeric score and risk tier.”
Clinical research eligibility check
“We're screening relapsed/refractory CLL patients for a high-risk cohort. This patient has elevated B2M (≥5 mg/dL), normal LDH, is anemic per Soumerai hemoglobin cutoffs, and had their last therapy initiated 18 months ago. What's their BALL score and risk group?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/ballWhen to prefer
Use this endpoint when you need a fast, deterministic computation of the Soumerai 2019 BALL score for a relapsed or refractory CLL patient and have already pre-evaluated the four lab/clinical criteria as booleans. Prefer this over manual calculation when automating oncology workflows or building clinical decision-support pipelines. Not appropriate if you need raw lab values interpreted or units converted (B2M mg/L vs mg/dL must be resolved by the caller).
Side effects
- Missing required boolean query parameter returns a 400/validation error
- Passing numeric values instead of boolean true/false may be rejected
- Incorrect unit conversion (mg/L vs mg/dL for B2M) not caught by the API — caller must resolve units before flagging
- Network or payment authentication failure returns 402 or 5xx
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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