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Magent Fatty Liver Index (FLI) Calculator
x402
Magent Fatty Liver Index (FLI) Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-12).
Computes the Bedogni 2006 Fatty Liver Index (FLI) from BMI, waist circumference, GGT, and triglycerides, returning a 0–100 score with steatosis band classification.
Price / call$0.005
Success—
StatusUnknown
How this service works
Deterministic published-formula arithmetic plus ICD-10-CM, RxNorm, and LOINC. Pay in USDC on Base via x402.
Output
Returns a JSON object containing the FLI score (0–100), the intermediate logistic value L, the bedogni_band classification ('rule_out' for FLI<30, 'indeterminate' for 30–59, 'rule_in' for FLI≥60), the formula expression, input echo of all parameters, and the full Bedogni 2006 citation (DOI, PMID, authors, journal). Also includes a disclaimer that this is not a medical device and a licensed clinician remains responsible for patient care.
Example use cases
Metabolic syndrome screening pipeline
“Run the Bedogni FLI calculation for a 52-year-old with BMI 31.2 kg/m², waist 102 cm, GGT 72 U/L, and triglycerides 2.3 mmol/L — I need to know if the score rules in hepatic steatosis.”
Population health risk stratification
“I have a cohort of patients and need to compute the Fatty Liver Index for one of them: BMI 24.1, waist 83 cm, GGT 30 U/L, triglycerides 120 mg/dL. Does their FLI score fall in the rule-out, indeterminate, or rule-in band?”
Clinical research data enrichment
“For a study subject with BMI 26.8 kg/m², waist circumference 88 cm, GGT 55 U/L, and triglycerides 160 mg/dL, compute the Bedogni 2006 FLI and give me the full formula expression and citation so I can include it in my analysis.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/fli?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a deterministic, reproducible implementation of the Bedogni 2006 FLI formula for autonomous agents — especially when triglycerides may be in mmol/L (automatic unit conversion included) or when you need the full citation and formula expression embedded in the response. Prefer it over manual formula implementations to avoid transcription errors, and over general-purpose LLM reasoning when auditability and formula fidelity matter. Not suitable as a replacement for imaging or biopsy-based liver assessment.
Side effects
- Missing required parameter (bmi_kg_m2, waist_cm, or ggt_u_l) returns a validation error
- Providing both triglycerides_mg_dl and triglycerides_mmol_l simultaneously causes a conflict error
- Out-of-range values (e.g. BMI outside 10–80, waist outside 40–200, GGT outside 1–2000) may be rejected
- If neither triglycerides field is provided, the request fails due to missing required lab input
- Payment failure via x402 protocol results in 402 response before any computation
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"path": "/api/calc/fli",
"count": 2,
"items": [
{
"l": -2.65,
"fli": 6.6,
"formula": "fli",
"ggt_u_l": 20,
"citation": {
"id": "bedogni-2006",
"doi": "10.1186/1471-230X-6-33",
"pmid": "17081293",
"title": "The Fatty Liver Index: a simple and accurate predictor of hepatic steatosis in the general population",
"source": "BMC Gastroenterol. 2006;6:33",
"authors": "Bedogni G, Bellentani S, Miglioli L, Masutti F, Passalacqua M, Castiglione A, Tiribelli C"
},
"waist_cm": 70,
"bmi_kg_m2": 22,
"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.",
"bedogni_band": "rule_out",
"formula_expression": "L = 0.953 * loge(triglycerides_mg_dl) + 0.139 * bmi_kg_m2 + 0.718 * loge(ggt_u_l) + 0.053 * waist_cm - 15.745; FLI = (e^L / (1 + e^L)) * 100",
"triglycerides_mg_dl": 80
},
{
"l": -2.65,
"fli": 6.6,
"formula": "fli",
"ggt_u_l": 20,
"citation": {
"id": "bedogni-2006",
"doi": "10.1186/1471-230X-6-33",
"pmid": "17081293",
"title": "The Fatty Liver Index: a simple and accurate predictor of hepatic steatosis in the general population",
"source": "BMC Gastroenterol. 2006;6:33",
"authors": "Bedogni G, Bellentani S, Miglioli L, Masutti F, Passalacqua M, Castiglione A, Tiribelli C"
},
"waist_cm": 70,
"bmi_kg_m2": 22,
"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.",
"bedogni_band": "rule_out",
"formula_expression": "L = 0.953 * loge(triglycerides_mg_dl) + 0.139 * bmi_kg_m2 + 0.718 * loge(ggt_u_l) + 0.053 * waist_cm - 15.745; FLI = (e^L / (1 + e^L)) * 100",
"triglycerides_mg_dl": 80
}
]
}
}Tags
x402
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