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Asthma Predictive Index (Castro-Rodriguez 2000) Calculator
x402
Asthma Predictive Index (Castro-Rodriguez 2000) 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).
Calculates the Asthma Predictive Index (API) per Castro-Rodriguez 2000, returning stringent and loose positive/negative classifications based on early wheeze pattern and major/minor risk criteria.
Price / call$0.005
Success—
StatusUnknown
How this service works
Asthma Predictive Index (Castro-Rodriguez 2000, Tucson Children's Respiratory Study). Stringent positive if early frequent wheeze (parent frequency scale > 3) plus 1+ major or 2+ minor criteria. Loose positive if any early wheeze plus the same risk factors. Majors: parental MD asthma, MD eczema. Minors: MD allergic rhinitis, wheezing apart from colds, circulating eosinophils >4% of WBC (caller-assigned). Not mAPI. Not an asthma diagnosis. magent does not examine the child. Not a medical device.
Output
Returns a structured result indicating whether the child meets the stringent positive API (frequent early wheeze plus ≥1 major or ≥2 minor criteria), loose positive API (any early wheeze plus the same risk factor thresholds), or neither, along with which major and minor criteria were satisfied.
Example use cases
Frequent wheezer with family history screening
“Run the Castro-Rodriguez Asthma Predictive Index for a toddler who wheezes frequently — their parent has physician-diagnosed asthma, they don't have eczema, they do have physician-diagnosed allergic rhinitis, no wheezing apart from colds, and eosinophils are not elevated above 4%.”
Any wheezer loose API check
“Check the loose Asthma Predictive Index for a child who has had any early wheezing — no parental asthma, no physician-diagnosed eczema, they do have physician-diagnosed allergic rhinitis, they wheeze apart from colds, and eosinophilia is greater than 4%.”
Stringent API with two major criteria
“Calculate the stringent and loose Asthma Predictive Index for a frequent early wheezer whose parent has physician-diagnosed asthma and who also has physician-diagnosed eczema — no allergic rhinitis, no wheezing apart from colds, and eosinophils are below 4%.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/asthma_apiWhen to prefer
Use this endpoint when you need a structured, reproducible calculation of the Castro-Rodriguez 2000 Asthma Predictive Index (stringent and loose) for a child based on pre-assigned clinical data. Prefer it over manual lookup when building clinical decision support workflows or automated pediatric risk scoring pipelines. Note that this is a scoring tool, not a diagnostic device — the caller must supply clinician-assigned values; the API does not examine patients or interpret raw lab results.
Side effects
- Missing required query parameters (wheeze, parental_md_asthma, md_eczema, md_allergic_rhinitis, wheezing_apart_from_colds, eosinophilia_gt_4pct) returns a 400 error
- Invalid enum value for 'wheeze' (must be none, any, or frequent) returns a validation error
- Payment not provided or insufficient funds returns 402 Payment Required
- Service unavailable or timeout returns 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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