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Rome IV Child FAP-NOS Calculator (Hyams 2016 H2d)
x402
Rome IV Child FAP-NOS Calculator (Hyams 2016 H2d) 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).
Evaluates whether a child meets the Rome IV H2d criteria for Functional Abdominal Pain – Not Otherwise Specified (FAP-NOS) based on five caller-assigned boolean flags.
Price / call$0.005
Success—
StatusUnknown
How this service works
Hyams 2016 Rome IV H2d child FAP-NOS. rome_iv_child_fap_nos is true iff episodic_or_continuous_abdominal_pain_not_solely_during_physiologic_events, pain_at_least_4_times_per_month, insufficient_criteria_for_ibs_fd_or_abdominal_migraine, not_explained_by_another_condition, and fulfilled_at_least_2_months. Caller assigns five flags including the IBS/FD/abdominal-migraine residual. magent does not re-run those tools. Not a diagnosis, not adult CAPS, not FAPS (dropped in Rome IV).
Output
Returns a boolean rome_iv_child_fap_nos indicating whether all five Rome IV H2d criteria are simultaneously satisfied, yielding true only when every required flag is true. The endpoint performs no clinical assessment itself; it applies the Hyams 2016 logic mechanically to caller-supplied flags.
Example use cases
Pediatric GI clinic FAP-NOS screening
“I'm reviewing a 9-year-old with recurring abdominal pain — episodic and not tied to eating or menses (true), happening more than 4 times a month (true), symptoms going on for over 2 months (true), not explained by another condition (true), and she doesn't meet criteria for IBS, FD, or abdominal migraine (true). Does she meet Rome IV FAP-NOS?”
Ruling out FAP-NOS after IBS workup
“A 12-year-old's abdominal pain is episodic and not physiologic-event-related (true), occurs at least 4 times a month (true), but she does meet sufficient criteria for IBS so the residual flag is false, pain is unexplained by other conditions (true), and duration is over 2 months (true). Does she still qualify for Rome IV H2d FAP-NOS?”
Automated Rome IV classification in EHR pipeline
“For this pediatric patient record: episodic abdominal pain not during physiologic events is true, pain frequency at least 4 times per month is true, criteria for IBS/FD/abdominal migraine are insufficient so that flag is true, no other condition explains it (true), and the 2-month duration criterion is met (true) — run the Rome IV FAP-NOS H2d check.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/rome_iv_child_fap_nosWhen to prefer
Use this endpoint when you have already determined (via separate clinical evaluation or other tools) each of the five Rome IV H2d boolean criteria for a pediatric patient and need to apply the FAP-NOS classification logic mechanically. This is not for adult CAPS/FAPS, is not a diagnostic substitute, and does not re-evaluate IBS, FD, or abdominal migraine criteria — those must be pre-assessed by the caller.
Side effects
- Missing any of the five required boolean query parameters returns an error
- Passing non-boolean values for flags causes a validation error
- Endpoint does not validate clinical plausibility — incorrect caller-assigned flags will yield incorrect results
- Network or payment (x402) failures may prevent a response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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