Stanghellini 2016 Rome IV adult CVS B3b
Stanghellini 2016 Rome IV adult CVS B3b. rome_iv_cvs is true iff stereotypical acute vomiting episodes lasting <1 week, ≥3 discrete episodes in the prior year and 2 in 6 months at least 1 week apart, absence of vomiting between episodes, last-3-months criteria, and 6-month onset. migraine_history is supportive and not required. Caller assigns eight flags. magent does not examine the patient. Not a diagnosis, not CHS, not pediatric CVS, not Rome IV IBS.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
294 msmedian answer time
$0.005listed price per call
$0.007price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.magentlab.com/api/calc/rome_iv_cvs
| Category | Everything else |
|---|---|
| Provider host | api.magentlab.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-28 | valid payment request | 402 | $0.007 | 294 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"absence_of_vomiting_between_episodes": true,
"at_least_three_episodes_prior_year": true,
"at_least_two_episodes_past_6_months": true,
"episodes_at_least_1_week_apart": true,
"fulfilled_last_3_months": true,
"migraine_history": true,
"onset_at_least_6_months": true,
"stereotypical_episodes_acute_lt_1_week": true
},
{
"absence_of_vomiting_between_episodes": true,
"at_least_three_episodes_prior_year": true,
"at_least_two_episodes_past_6_months": true,
"episodes_at_least_1_week_apart": true,
"fulfilled_last_3_months": true,
"migraine_history": true,
"onset_at_least_6_months": true,
"stereotypical_episodes_acute_lt_1_week": true
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"absence_of_vomiting_between_episodes": {
"description": "Absence of vomiting between episodes; milder symptoms between cycles are allowed (Stanghellini 2016). true or false as assigned by the caller. magent does not examine the patient.",
"type": "boolean"
},
"at_least_three_episodes_prior_year": {
"description": "At least 3 discrete vomiting episodes in the prior year, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"at_least_two_episodes_past_6_months": {
"description": "At least 2 discrete vomiting episodes in the past 6 months, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"episodes_at_least_1_week_apart": {
"description": "Discrete vomiting episodes occurring at least 1 week apart, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"fulfilled_last_3_months": {
"description": "Criteria fulfilled for the last 3 months, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"migraine_history": {
"description": "Personal history of migraine or family history of migraine, a supportive criterion that is not required for rome_iv_cvs (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"onset_at_least_6_months": {
"description": "Symptom onset at least 6 months prior to diagnosis, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"stereotypical_episodes_acute_lt_1_week": {
"description": "Stereotypical episodes of vomiting regarding onset (acute) and duration (<1 week) (Stanghellini 2016 Rome IV adult B3b). true or false as assigned by the caller. magent does not examine the patient.",
"type": "boolean"
}
},
"required": [
"stereotypical_episodes_acute_lt_1_week",
"at_least_three_episodes_prior_year",
"at_least_two_episodes_past_6_months",
"episodes_at_least_1_week_apart",
"absence_of_vomiting_between_episodes",
"fulfilled_last_3_months",
"onset_at_least_6_months",
"migraine_history"
],
"type": "object"
},
"maxItems": 25,
"minItems": 1,
"type": "array"
}
},
"required": [
"items"
],
"type": "object"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"const": "POST",
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}