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BAP-65 COPD Exacerbation Risk Classifier
x402
BAP-65 COPD Exacerbation Risk Classifier is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Computes BAP-65 class (I–V) for acute exacerbation of COPD using three binary clinical flags and age
Price / call$0.005
Success—
StatusUnknown
How this service works
BAP-65 (Tabak 2009) class I–V for acute exacerbation of COPD. Three caller-assigned main factors: BUN >25 mg/dL, altered mental status (GCS <14 or disoriented/stupor/coma), and pulse >109/min. Age >65 splits class I from II only when zero main factors are present; age is not a fourth additive point. magent does not compute GCS, BUN, or pulse. Not a medical device and not a ventilation or ICU-admission order.
Output
Returns the BAP-65 class (I through V) based on the three main factors (BUN >25, altered mental status, pulse >109) and age >65. Class I is lowest risk; class V is highest. Age >65 is used only to differentiate class I from II when all three main factors are absent.
Example use cases
ED triage for COPD exacerbation
“I have a COPD patient in the ED with an acute exacerbation — BUN is 30 so above 25, pulse is 115 so above 109, and no altered mental status. Patient is 72. What is their BAP-65 class?”
Low-risk elderly COPD discharge decision
“My COPD patient is 70 years old, presenting with an exacerbation. BUN is 20, pulse is 88, no signs of altered mental status. Can you get me the BAP-65 score to support a discharge decision?”
High-acuity COPD with altered mental status
“COPD exacerbation patient, altered mental status present, BUN over 25, pulse over 109, age is 58. Run the BAP-65 and tell me what class they fall into.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/bap_65When to prefer
Use this endpoint when you need a fast, stateless BAP-65 risk class for an acute COPD exacerbation and have already determined the three main clinical flags and patient age. Prefer it over manual lookup when automating triage workflows or embedding clinical scoring in agent pipelines. Not a substitute for physician judgment or a ventilation/ICU-admission order.
Side effects
- Missing required boolean query parameters returns a validation error
- Passing numeric values instead of booleans for flags causes schema rejection
- Misinterpreting the age flag as an additive fourth factor (it is not) leads to incorrect class assignment by the caller
- Expecting the API to compute GCS, BUN, or pulse values — it only accepts caller-supplied boolean flags
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"path": "/api/calc/bap_65",
"count": 2,
"items": [
{
"formula": "bap_65",
"citation": {
"id": "tabak-2009",
"doi": "10.1001/archinternmed.2009.270",
"pmid": "19786679",
"title": "Mortality and need for mechanical ventilation in acute exacerbations of chronic obstructive pulmonary disease: development and validation of a simple risk score",
"source": "Arch Intern Med. 2009;169(17):1595-1602",
"authors": "Tabak YP, Sun X, Johannes RS, Gupta V, Shorr AF"
},
"criteria": [
{
"met": false,
"factor": "bun_gt_25"
},
{
"met": false,
"factor": "altered_mental_status"
},
{
"met": false,
"factor": "pulse_gt_109"
},
{
"met": false,
"factor": "age_gt_65"
}
],
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"bap65_class": "I",
"main_factor_count": 0,
"formula_expression": "class I = 0 main factors and age ≤65; II = 0 main factors and age >65; III = 1 main factor; IV = 2 main factors; V = 3 main factors (BUN >25 mg/dL, GCS <14 or disoriented/stupor/coma, pulse >109/min); age is not a 4th additive point"
},
{
"formula": "bap_65",
"citation": {
"id": "tabak-2009",
"doi": "10.1001/archinternmed.2009.270",
"pmid": "19786679",
"title": "Mortality and need for mechanical ventilation in acute exacerbations of chronic obstructive pulmonary disease: development and validation of a simple risk score",
"source": "Arch Intern Med. 2009;169(17):1595-1602",
"authors": "Tabak YP, Sun X, Johannes RS, Gupta V, Shorr AF"
},
"criteria": [
{
"met": false,
"factor": "bun_gt_25"
},
{
"met": false,
"factor": "altered_mental_status"
},
{
"met": false,
"factor": "pulse_gt_109"
},
{
"met": false,
"factor": "age_gt_65"
}
],
"disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
"bap65_class": "I",
"main_factor_count": 0,
"formula_expression": "class I = 0 main factors and age ≤65; II = 0 main factors and age >65; III = 1 main factor; IV = 2 main factors; V = 3 main factors (BUN >25 mg/dL, GCS <14 or disoriented/stupor/coma, pulse >109/min); age is not a 4th additive point"
}
]
}
}Tags
x402
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