{"uid":"cap_nFjIrs6KFq_HFQvPLUhBs","slug":"magent-rome-iv-infant-colic-calculator-81230774","name":"magent Rome IV Infant Colic Calculator","description":"Benninga 2016 Rome IV G4 infant colic (clinical). rome_iv_infant_colic is true iff the infant is less than 5 months of age when symptoms start and stop, recurrent prolonged crying, fussing, or irritability without obvious cause that caregivers cannot prevent or resolve, and no evidence of failure to thrive, fever, or illness. Research 3-hour/diary criteria are not parsed. Caller assigns three flags. magent does not examine the infant. Not a diagnosis.","url":"https://api.magentlab.com/api/calc/rome_iv_infant_colic","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["infant_less_than_5_months_when_symptoms_start_and_stop","recurrent_prolonged_crying_fussing_or_irritability_without_obvious_cause","no_failure_to_thrive_fever_or_illness"],"properties":{"no_failure_to_thrive_fever_or_illness":{"type":"boolean","description":"No evidence of infant failure to thrive, fever, or illness, as assigned (Benninga 2016 Rome IV G4). true or false as assigned by the caller. magent does not examine the infant."},"infant_less_than_5_months_when_symptoms_start_and_stop":{"type":"boolean","description":"An infant who is less than 5 months of age when the symptoms start and stop, as assigned (Benninga 2016 Rome IV G4). true or false as assigned by the caller. magent does not examine the infant."},"recurrent_prolonged_crying_fussing_or_irritability_without_obvious_cause":{"type":"boolean","description":"Recurrent and prolonged periods of infant crying, fussing, or irritability reported by caregivers that occur without obvious cause and cannot be prevented or resolved by caregivers, as assigned (Benninga 2016 Rome IV G4). true or false as assigned by the caller. magent does not examine the infant."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nSLzaH5_qiEGiG1eMEB8F","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Evaluates three caregiver-assigned clinical flags to determine whether an infant meets the Benninga 2016 Rome IV G4 criteria for infant colic","exampleAgentPrompt":"Check if this infant meets the Rome IV G4 criteria for infant colic: symptoms started and stopped before 5 months of age (true), caregivers report recurrent prolonged crying without obvious cause they can't resolve (true), and there's no evidence of failure to thrive, fever, or illness (true).","exampleUseCases":[{"title":"Clinical documentation for fussy infant visit","prompt":"I'm seeing a 3-month-old whose parents report episodes of inconsolable crying with no identifiable cause that they can't stop, and the baby has no fever, no weight concerns, and symptoms started and stopped before 5 months. Does this baby meet the Rome IV G4 infant colic criteria?"},{"title":"Research cohort screening tool","prompt":"For our pediatric study, I need to flag infants who meet Rome IV G4 infant colic criteria. This subject is under 5 months when symptoms start and stop (true), has recurrent prolonged fussing without obvious cause caregivers can't resolve (true), and no failure to thrive, fever, or illness (true). Run the Rome IV infant colic rule."},{"title":"Telehealth triage decision support","prompt":"A parent just described their 2-month-old as having recurring bouts of unexplained crying they can't calm, no illness signs, no fever, and the baby is growing normally. Symptoms began and ended before 5 months. Can you check if this fits the Rome IV infant colic definition?"}],"resultDescription":"Returns a boolean field rome_iv_infant_colic indicating whether all three Rome IV G4 criteria are met: infant under 5 months when symptoms start and stop, recurrent prolonged crying/fussing/irritability without obvious cause that caregivers cannot prevent or resolve, and no evidence of failure to thrive, fever, or illness. This is a rule-based computation, not a clinical diagnosis.","failureModes":["Missing required query parameters (any of the three boolean flags omitted) will result in a validation error","Non-boolean values passed for flags will cause a schema validation failure","Network or payment authorization errors may result in 402 or 5xx responses","Misclassification risk if caller assigns flags incorrectly since magent does not examine the infant"],"whenToPreferThis":"Use this endpoint when you need a fast, reproducible computation of the Rome IV G4 infant colic decision rule based on three explicitly assigned boolean flags. Prefer this over general pediatric reference lookups when you need a structured true/false output for clinical documentation, research cohort screening, or decision-support workflows. Not suitable for situations requiring the research 3-hour or diary-based Rome IV criteria.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:09:38.138Z","isFirstParty":false}