Rao 2016 Rome IV F3
Rao 2016 Rome IV F3. rome_iv_functional_defecation is true iff FC and/or IBS-C, at least two of three evacuation tests (balloon expulsion, manometry or anal surface EMG, imaging), last-3-months criteria, and 6-month onset. evacuation_tests_met is 0-3. magent does not perform those tests. Not a diagnosis. Not F3a or F3b as separate diagnoses.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
309 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_functional_defecation
| 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 | $0.007 | 309 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"abnormal_anorectal_evacuation_pattern_manometry_or_emg": true,
"abnormal_balloon_expulsion": true,
"fulfilled_last_3_months": true,
"impaired_rectal_evacuation_by_imaging": false,
"onset_at_least_6_months": true,
"satisfies_fc_and_or_ibs_with_constipation": true
},
{
"abnormal_anorectal_evacuation_pattern_manometry_or_emg": true,
"abnormal_balloon_expulsion": true,
"fulfilled_last_3_months": true,
"impaired_rectal_evacuation_by_imaging": false,
"onset_at_least_6_months": true,
"satisfies_fc_and_or_ibs_with_constipation": true
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"abnormal_anorectal_evacuation_pattern_manometry_or_emg": {
"description": "Abnormal anorectal evacuation pattern with manometry or anal surface EMG (one of three evacuation tests; at least two required). true or false as assigned by the caller. magent does not perform manometry or EMG.",
"type": "boolean"
},
"abnormal_balloon_expulsion": {
"description": "Abnormal balloon expulsion test (one of three evacuation tests; at least two required). true or false as assigned by the caller. magent does not perform balloon expulsion.",
"type": "boolean"
},
"fulfilled_last_3_months": {
"description": "Criteria fulfilled for the last 3 months, as assigned (Rao 2016). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"impaired_rectal_evacuation_by_imaging": {
"description": "Impaired rectal evacuation by imaging (one of three evacuation tests; at least two required). true or false as assigned by the caller. magent does not perform imaging.",
"type": "boolean"
},
"onset_at_least_6_months": {
"description": "Symptom onset at least 6 months prior to diagnosis, as assigned (Rao 2016). true or false as assigned by the caller. magent does not take a history.",
"type": "boolean"
},
"satisfies_fc_and_or_ibs_with_constipation": {
"description": "The patient already satisfies diagnostic criteria for functional constipation and/or IBS with constipation, as assigned (Rao 2016 F3). true or false as assigned by the caller. magent does not re-run those tools.",
"type": "boolean"
}
},
"required": [
"satisfies_fc_and_or_ibs_with_constipation",
"abnormal_balloon_expulsion",
"abnormal_anorectal_evacuation_pattern_manometry_or_emg",
"impaired_rectal_evacuation_by_imaging",
"fulfilled_last_3_months",
"onset_at_least_6_months"
],
"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"
}