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magent Tokyo Guidelines 2018 Acute Cholecystitis Grader
x402
magent Tokyo Guidelines 2018 Acute Cholecystitis Grader is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Applies the Yokoe 2018 TG18 criteria to classify acute cholecystitis diagnosis (none/suspected/definite) and severity grade (I/II/III) from caller-assigned clinical findings
Price / call$0.005
Success—
StatusUnknown
How this service works
Yokoe 2018 TG18 (=TG13) acute cholecystitis. Definite if local signs (Murphy or RUQ mass/pain/tenderness), systemic signs (fever, elevated CRP or WBC), and imaging; suspected if local and systemic without imaging; else none. Suspected/definite: Grade III if any organ dysfunction, else Grade II if any Grade II flag, else Grade I. Severity none when diagnosis is none. Not cholangitis or Alvarado/RIPASA. magent does not examine, assay, or read imaging. Not a medical device.
Output
Returns the Tokyo Guidelines 2018 (TG18/TG13) acute cholecystitis diagnosis category (none, suspected, or definite) and severity grade (I, II, or III) based on the caller-supplied boolean clinical findings. No physical examination, laboratory assay, or imaging interpretation is performed by the API.
Example use cases
ED triage for acute cholecystitis
“I'm seeing a patient in the ED with RUQ tenderness and positive Murphy's sign, fever, elevated CRP, elevated WBC, and ultrasound showing cholecystitis findings — no organ dysfunction, WBC is over 18,000. Can you classify this using the Tokyo 2018 TG18 criteria and tell me the severity grade?”
Post-lab severity reassessment
“My patient was admitted with suspected cholecystitis — local signs present, fever and elevated WBC positive, but no imaging yet. Now labs show PT-INR of 1.8 and creatinine of 2.4. Imaging still pending. Can you re-run the TG18 cholecystitis grading with those organ dysfunction flags set to true and imaging false?”
Automated surgical consult triage
“For our surgical consult triage workflow, classify this patient: Murphy's sign negative, RUQ mass with pain and tenderness positive, fever true, CRP elevated true, WBC elevated true, imaging positive; no organ dysfunction flags, WBC not above 18k, duration over 72 hours is true, marked local inflammation is true. What's the TG18 diagnosis and grade?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/tokyo_cholecystitisWhen to prefer
Use this endpoint when you need to programmatically apply the Yokoe 2018 TG18 acute cholecystitis diagnosis and severity grading criteria to pre-assessed clinical findings. Prefer this over manual lookup when building clinical decision support workflows, automated triage pipelines, or EHR integrations that need consistent, rules-based TG18 grading. Do not use for cholangitis (different guideline), appendicitis (Alvarado/RIPASA/PAS), or when imaging or lab interpretation is needed — the caller must supply all boolean flags.
Side effects
- Missing required query parameters returns a validation error
- All local/systemic signs false yields diagnosis 'none' and no severity grade
- Imaging absent with local and systemic signs present yields 'suspected' rather than 'definite'
- Misclassification risk if caller incorrectly assigns boolean flags (garbage in, garbage out)
- Not applicable to cholangitis or appendicitis — wrong endpoint for those conditions
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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