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magent Rome IV Functional Dysphagia Calculator
x402
magent Rome IV Functional Dysphagia 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).
Evaluates six clinician-assigned boolean flags to determine whether a patient meets the Rome IV criteria for functional dysphagia (Aziz 2016).
Price / call$0.005
Success—
StatusUnknown
How this service works
Aziz 2016 Rome IV functional dysphagia. rome_iv_functional_dysphagia is true iff sense of food sticking or passing abnormally, no mucosal or structural abnormality, not explained by GERD or eosinophilic esophagitis, no major esophageal motor disorder, last-3-months criteria, and 6-month onset. Caller assigns six flags. magent does not read barium, endoscopy, or manometry. Not a diagnosis, not globus, not oropharyngeal dysphagia. Minor or borderline motor disorders remain compatible.
Output
Returns a boolean field rome_iv_functional_dysphagia indicating whether all six Rome IV criteria for functional dysphagia (Aziz 2016) are simultaneously satisfied. True means all flags are met; false means at least one criterion is unmet. Does not provide a clinical diagnosis, does not interpret imaging, endoscopy, or manometry — criteria assignment is the caller's responsibility.
Example use cases
GI clinic functional dysphagia workup
“I have a patient with esophageal dysphagia — they feel food sticking, endoscopy shows no mucosal or structural cause, GERD and eosinophilic esophagitis have been ruled out, no major motor disorder on manometry, symptoms have been present and criteria-fulfilling for the past 3 months, and it started over 6 months ago. Do they meet Rome IV functional dysphagia?”
Ruling out functional vs structural dysphagia
“Patient has a sense of food passing abnormally through the esophagus. We found no structural abnormality, GERD and EOE don't explain it, no major motor disorder, but symptoms have only been clearly present for 2 months and onset was 4 months ago — do they qualify for Rome IV functional dysphagia?”
Automated EHR triage for functional GI classification
“For this patient flagged in our EHR: food sticking sensation is true, no mucosal abnormality is true, not explained by GERD or EOE is true, no major esophageal motor disorder is true, but the 3-month criteria is false and 6-month onset is false — run the Rome IV functional dysphagia check.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/rome_iv_functional_dysphagiaWhen to prefer
Use this endpoint when a clinician or clinical AI agent has already gathered the necessary history, endoscopy, and manometry information and needs to quickly and reproducibly apply the Rome IV functional dysphagia decision rule per Aziz 2016. Prefer this over manual lookup when automating clinical documentation, building GI diagnostic pipelines, or auditing whether Rome IV criteria are consistently applied across a patient cohort. Not suitable for raw symptom input that hasn't been pre-adjudicated by a clinician.
Side effects
- Missing required boolean parameters returns a validation error
- Passing non-boolean values for flag fields causes a schema error
- Misassigning clinical flags (e.g. not actually ruling out GERD) leads to incorrect result — garbage in, garbage out
- Cannot distinguish borderline vs clear-cut criteria — caller must pre-adjudicate
- Does not handle globus or oropharyngeal dysphagia — caller must ensure correct symptom type
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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