Hyams 1991 Pediatric Crohn's Disease Activity Index (PCDAI)
Hyams 1991 Pediatric Crohn's Disease Activity Index (PCDAI): eleven caller-assigned item points. hematocrit and esr are 0, 2.5, or 5; the other nine are 0, 5, or 10. magent sums only (max 100) and does not return activity bands. magent does not examine the child or assign hematocrit age/sex tables. Not a diagnosis. Not CDAI, SES-CD, or PUCAI.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
301 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/pcdai
| 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 | $0.007 | 301 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"abdomen": 0,
"abdominal_pain": 0,
"albumin": 0,
"esr": 0,
"extra_intestinal": 0,
"height": 0,
"hematocrit": 0,
"perirectal": 0,
"stools": 0,
"weight": 0,
"well_being": 0
},
{
"abdomen": 0,
"abdominal_pain": 0,
"albumin": 0,
"esr": 0,
"extra_intestinal": 0,
"height": 0,
"hematocrit": 0,
"perirectal": 0,
"stools": 0,
"weight": 0,
"well_being": 0
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"abdomen": {
"description": "Caller-assigned Hyams 1991 PCDAI abdomen points (integer 0, 5, or 10): 0 no tenderness, no mass; 5 tenderness, or mass without tenderness; 10 tenderness, involuntary guarding, definite mass. magent does not examine the child.",
"type": "integer"
},
"abdominal_pain": {
"description": "Caller-assigned Hyams 1991 PCDAI abdominal pain points (integer 0, 5, or 10): 0 none; 5 mild (brief, does not interfere with activities); 10 moderate/severe (daily, longer lasting, affects activities, nocturnal). magent does not examine the child.",
"type": "integer"
},
"albumin": {
"description": "Caller-assigned Hyams 1991 PCDAI albumin points (integer 0, 5, or 10): 0 for albumin \u22653.5 g/dL; 5 for 3.1-3.4; 10 for \u22643.0. magent does not assay albumin. magent does not examine the child.",
"type": "integer"
},
"esr": {
"description": "Caller-assigned Hyams 1991 PCDAI erythrocyte sedimentation rate points (number 0, 2.5, or 5): 0 for ESR <20 mm/h; 2.5 for 20-50; 5 for >50. magent does not assay ESR. magent does not examine the child.",
"type": "number"
},
"extra_intestinal": {
"description": "Caller-assigned Hyams 1991 PCDAI extra-intestinal manifestation points (integer 0, 5, or 10): 0 none; 5 one; 10 two or more (fever \u226538.5\u00b0C for 3 days over the past week, arthritis, uveitis, erythema nodosum, pyoderma gangrenosum). magent does not examine the child.",
"type": "integer"
},
"height": {
"description": "Caller-assigned Hyams 1991 PCDAI height points (integer 0, 5, or 10): at diagnosis 0 <1 channel decrease, 5 \u22651 and <2 channel decrease, 10 \u22652 channel decrease; at follow-up 0 height velocity \u2265-1 SD, 5 <-1 SD and >-2 SD, 10 \u2264-2 SD. magent does not measure height. magent does not examine the child.",
"type": "integer"
},
"hematocrit": {
"description": "Caller-assigned Hyams 1991 PCDAI hematocrit points (number 0, 2.5, or 5). The paper's age- and sex-specific hematocrit table is applied by the caller. magent does not assign that table. magent does not examine the child.",
"type": "number"
},
"perirectal": {
"description": "Caller-assigned Hyams 1991 PCDAI perirectal disease points (integer 0, 5, or 10): 0 none, asymptomatic tags; 5 1-2 indolent fistula, scant drainage, no tenderness; 10 active fistula, drainage, tenderness, or abscess. magent does not examine the child.",
"type": "integer"
},
"stools": {
"description": "Caller-assigned Hyams 1991 PCDAI stools per day points (integer 0, 5, or 10): 0 for 0-1 liquid stools, no blood; 5 for up to 2 semi-formed with small blood, or 2-5 liquid; 10 for gross bleeding, or \u22656 liquid, or nocturnal diarrhea. magent does not examine the child.",
"type": "integer"
},
"weight": {
"description": "Caller-assigned Hyams 1991 PCDAI weight points (integer 0, 5, or 10): 0 weight gain or voluntary stable/loss; 5 involuntary stable or weight loss 1-9%; 10 weight loss \u226510%. magent does not examine the child.",
"type": "integer"
},
"well_being": {
"description": "Caller-assigned Hyams 1991 PCDAI patient functioning / general well-being points (integer 0, 5, or 10): 0 no limitation of activities, well; 5 occasional difficulty in maintaining age-appropriate activities; 10 frequent limitation of activities, very poor. magent does not examine the child.",
"type": "integer"
}
},
"required": [
"abdominal_pain",
"stools",
"well_being",
"hematocrit",
"esr",
"albumin",
"weight",
"height",
"abdomen",
"perirectal",
"extra_intestinal"
],
"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"
}