Mearin 2016 Rome IV C2 FC
Mearin 2016 Rome IV C2 FC. rome_iv_fc is true iff last-3-months criteria with 6-month onset, at least 2 of 6 symptoms (straining, lumpy/hard stools, incomplete evacuation, anorectal obstruction, manual maneuvers, fewer than 3 SBM/week), loose stools rare without laxatives, and insufficient IBS criteria. symptom_count is 0-6. Caller assigns nine flags. magent does not examine the patient. Not a diagnosis, not Rome IV IBS, not Manning, not opioid-induced or child constipation.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
242 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_fc
| 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 | $0.007 | 242 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"anorectal_obstruction_gt_25_percent": false,
"criteria_last_3_months_onset_6_months": true,
"fewer_than_3_sbm_per_week": true,
"incomplete_evacuation_gt_25_percent": false,
"insufficient_criteria_for_ibs": true,
"loose_stools_rare_without_laxatives": true,
"lumpy_or_hard_stools_gt_25_percent": false,
"manual_maneuvers_gt_25_percent": false,
"straining_gt_25_percent": true
},
{
"anorectal_obstruction_gt_25_percent": false,
"criteria_last_3_months_onset_6_months": true,
"fewer_than_3_sbm_per_week": true,
"incomplete_evacuation_gt_25_percent": false,
"insufficient_criteria_for_ibs": true,
"loose_stools_rare_without_laxatives": true,
"lumpy_or_hard_stools_gt_25_percent": false,
"manual_maneuvers_gt_25_percent": false,
"straining_gt_25_percent": true
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"anorectal_obstruction_gt_25_percent": {
"description": "Sensation of anorectal obstruction/blockage more than 25% of defecations (one of six C2 symptom items; at least two required). true or false as assigned by the caller.",
"type": "boolean"
},
"criteria_last_3_months_onset_6_months": {
"description": "Criteria fulfilled for the last 3 months with symptom onset at least 6 months prior to diagnosis, as assigned (Mearin 2016 C2). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"fewer_than_3_sbm_per_week": {
"description": "Fewer than three spontaneous bowel movements per week (one of six C2 symptom items; at least two required). true or false as assigned by the caller.",
"type": "boolean"
},
"incomplete_evacuation_gt_25_percent": {
"description": "Sensation of incomplete evacuation more than 25% of defecations (one of six C2 symptom items; at least two required). true or false as assigned by the caller.",
"type": "boolean"
},
"insufficient_criteria_for_ibs": {
"description": "Insufficient criteria for irritable bowel syndrome, as assigned by the caller (Mearin 2016 C2 requires IBS criteria are not met). true or false. magent does not apply the IBS box.",
"type": "boolean"
},
"loose_stools_rare_without_laxatives": {
"description": "Loose stools are rarely present without the use of laxatives, as assigned (Mearin 2016 C2). true or false as assigned by the caller. magent does not examine the patient.",
"type": "boolean"
},
"lumpy_or_hard_stools_gt_25_percent": {
"description": "Lumpy or hard stools (Bristol stool form types 1-2) more than 25% of defecations (one of six C2 symptom items; at least two required). true or false as assigned by the caller. magent does not inspect stool.",
"type": "boolean"
},
"manual_maneuvers_gt_25_percent": {
"description": "Manual maneuvers to facilitate more than 25% of defecations (one of six C2 symptom items; at least two required). true or false as assigned by the caller.",
"type": "boolean"
},
"straining_gt_25_percent": {
"description": "Straining during more than 25% of defecations (one of six C2 symptom items; at least two required). true or false as assigned by the caller. magent does not examine the patient.",
"type": "boolean"
}
},
"required": [
"criteria_last_3_months_onset_6_months",
"straining_gt_25_percent",
"lumpy_or_hard_stools_gt_25_percent",
"incomplete_evacuation_gt_25_percent",
"anorectal_obstruction_gt_25_percent",
"manual_maneuvers_gt_25_percent",
"fewer_than_3_sbm_per_week",
"loose_stools_rare_without_laxatives",
"insufficient_criteria_for_ibs"
],
"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"
}