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Magent CCI (Corrected Count Increment) Calculator
x402
Magent CCI (Corrected Count Increment) Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Computes the corrected count increment (CCI) and uncorrected platelet increment after a platelet transfusion using the Davis 1999 formula
Price / call$0.005
Success—
StatusUnknown
How this service works
Corrected count increment (CCI) after platelet transfusion: (post - pre platelet count per uL) * BSA_m2 / (dose in 10^11). Davis 1999 Transfusion. Returns CCI and the uncorrected increment only. Caller supplies BSA; magent does not compute Nadler BSA from height/weight, assay platelets, emit a 5000 or 7500 refractoriness cutoff, or order a transfusion. Davis 1999 cautions CCI/PPR can distort comparisons of platelet products.
Output
Returns the corrected count increment (CCI) computed as (post − pre platelet count per µL) × BSA_m² / (dose in 10^11), and the uncorrected platelet increment (post − pre). Does not return BSA, a refractoriness flag, a 5,000 or 7,500 cutoff judgment, or any transfusion order recommendation.
Example use cases
Post-transfusion CCI audit in oncology
“A leukemia patient had a pre-transfusion platelet count of 10,000 per µL and a post count of 38,000 per µL. Their BSA is 1.72 m² and we gave 3×10^11 platelets. What is their CCI?”
Assessing potential platelet refractoriness
“We suspect platelet refractoriness in our ICU patient. Pre-count was 12,000 per µL, post-count was 18,000 per µL, BSA is 2.1 m², and the dose was 3.5×10^11 platelets. Can you compute their CCI and uncorrected increment?”
Research quality-control CCI batch review
“For our transfusion audit, compute the CCI for a transfusion where pre-platelet count was 5,000 per µL, post was 55,000 per µL, BSA was 1.62 m², and the platelet dose was 2.8×10^11.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/cciWhen to prefer
Choose this endpoint when you need a fast, formulaic CCI computation per Davis 1999 and already have BSA, pre/post platelet counts, and platelet dose available. It is ideal for automating transfusion audits, populating clinical dashboards, or embedding CCI logic in an agent workflow without building the formula yourself. Do not use it if you need BSA computed from height/weight (Nadler), platelet assaying, refractoriness thresholds applied automatically, or PPR (percent platelet recovery) — those are out of scope.
Side effects
- post_plt_per_ul less than pre_plt_per_ul — validation error, negative increment not allowed
- platelets_transfused_e11 is zero or negative — division by zero or validation error
- bsa_m2 out of range (below 0.1 or above 4.0) — validation error
- platelet counts exceed 2,000,000 per µL — out-of-range validation error
- Missing required query parameters — 400 bad request
- Payment not provided or insufficient — 402 payment required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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