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Dagan 1985 Rochester Criteria Calculator (Febrile Infant)
x402
Dagan 1985 Rochester Criteria Calculator (Febrile Infant) 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).
Applies the Dagan 1985 Rochester criteria to determine whether a febrile infant under 3 months is low-risk for serious bacterial infection
Price / call$0.005
Success—
StatusUnknown
How this service works
Dagan 1985 Rochester criteria. Low-risk only if the infant is younger than 3 months (age_days 0-89) and every caller-assigned finding holds: previously healthy term infant, well appearing, no ear/soft-tissue/skeletal infection, WBC 5000-15000/mm3 inclusive, absolute band count <1500/mm3, UA <=10 WBC/hpf, and stool <=5 WBC/hpf if diarrhea. Returns low_risk. magent does not examine the infant. Not Boston, Philadelphia, or PECARN febrile infant 2021. Not a medical device and not a discharge order.
Output
Returns a low_risk boolean or classification indicating whether the infant meets all Dagan 1985 Rochester low-risk criteria. If any single criterion fails (age ≥90 days, not previously healthy, ill appearing, focal infection present, WBC outside 5000-15000, bands ≥1500, UA >10 WBC/hpf, or stool >5 WBC/hpf when diarrhea present), the infant is not classified as low risk.
Example use cases
Febrile neonate triage in ED
“I have a 55-day-old febrile infant: previously healthy, well appearing, no ear or soft tissue infection, WBC 12000/mm³, bands 900/mm³, UA shows ≤10 WBC/hpf, and no diarrhea. Does this infant meet Dagan 1985 Rochester low-risk criteria?”
Infant with diarrhea and fever
“Can you run the Rochester criteria for a 70-day-old febrile infant who is previously healthy, well appearing, no focal infection, WBC 9000/mm³, band count 1100/mm³, urinalysis ≤10 WBC/hpf, has diarrhea, and stool smear shows ≤5 WBC/hpf?”
Borderline WBC Rochester assessment
“Check Dagan 1985 Rochester low-risk for a 30-day-old: previously healthy term infant, well appearing, no focal infection, WBC 15000/mm³, absolute bands 1400/mm³, UA ≤10 WBC/hpf, no diarrhea — does the WBC of exactly 15000 still meet low-risk?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/rochesterWhen to prefer
Use this endpoint when you need to apply specifically the Dagan 1985 Rochester criteria for febrile infant risk stratification. Choose this over Boston, Philadelphia, or PECARN 2021 febrile infant criteria when the clinical workflow explicitly calls for the Rochester approach. This is a pure computation endpoint — all clinical findings (well appearing, focal infection, urinalysis, stool smear) must be pre-assessed and caller-assigned; the endpoint only applies the rule logic.
Side effects
- Missing required parameters (age_days, previously_healthy, well_appearing, no_focal_infection, abc_ul, ua_wbc_le_10, diarrhea) returns validation error
- When diarrhea is true but stool_wbc_le_5 is not provided, returns error
- WBC provided outside accepted range (10-500000 cells/µL) may return error
- Age of 90 days is accepted but will not return low-risk
- Band count at boundary value of 1500 does not meet low-risk threshold
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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