# SLICC 2012 SLE Classifier > SLICC 2012 SLE 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). Applies the SLICC 2012 classification criteria to determine if a patient meets the definition of systemic lupus erythematosus (SLE), including the biopsy-proven lupus nephritis shortcut. ## Facts - Endpoint: GET https://api.magentlab.com/api/calc/slicc_sle - Price: $0.005/call - Payment: x402 - Status: unknown - Last checked: 2026-09-15 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/slicc-2012-sle-classifier-fd662dd0 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_XgfxTD0VWgTeAS84vztVC Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. ## How to call it through Zero Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`): ```sh zero fetch --capability slicc-2012-sle-classifier-fd662dd0 ``` Example prompt: Apply the SLICC 2012 SLE classification to my patient: they have synovitis, serositis, and nonscarring alopecia as clinical findings, and ANA and low complement as immunologic findings — no biopsy-proven lupus nephritis, no hemolytic anemia, no direct Coombs issue. Do they meet SLICC 2012 criteria? ## When to prefer this Use this endpoint when you need to apply the specific SLICC 2012 (Petri Table 3) classification framework for SLE — not the 1997 ACR criteria and not the 2019 EULAR/ACR criteria. Ideal for clinical decision support pipelines, research cohort screening, or EHR-integrated tools where clinical and immunologic assessments have already been made by a clinician and need to be scored automatically. Do not use if you need the 1997 ACR or 2019 EULAR/ACR classification. ## Known failure modes - Missing required query parameters (all 18 Boolean flags are required) returns a validation error - Passing non-Boolean values for flag parameters causes a schema error - Misinterpreting the direct Coombs flag: it only counts in the absence of hemolytic anemia — the caller must enforce this logic before passing values - Confusing the renal clinical criterion with biopsy_lupus_nephritis — these are distinct parameters - Expecting the API to perform lab assays, physical examination, or biopsy reading — it only scores caller-supplied flags ## How this service works SLICC 2012 SLE classification (Petri Table 3). classified iff biopsy-proven lupus nephritis plus ANA or anti-dsDNA, or at least four criteria including at least one clinical and one immunologic. 11 clinical and 6 immunologic caller flags. Direct Coombs counts only in the absence of hemolytic anemia. Criteria need not be concurrent. Not a diagnosis. Not 1997 ACR. Not 2019 EULAR/ACR. magent does not examine skin, assay serologies, or read a biopsy. ## Output A structured result indicating whether the patient meets the SLICC 2012 SLE classification criteria, including whether the biopsy-proven lupus nephritis shortcut was triggered, how many clinical and immunologic criteria were satisfied, and whether the minimum four-criterion threshold (with at least one clinical and one immunologic) was reached. This is a classification output, not a clinical diagnosis. ## Request schema (JSON Schema) ```json { "type": "object", "$schema": "https://json-schema.org/draft/2020-12/schema", "required": [ "input" ], "properties": { "input": { "type": "object", "required": [ "type", "method" ], "properties": { "type": { "type": "string", "const": "http" }, "method": { "enum": [ "GET", "HEAD", "DELETE" ], "type": "string" }, "headers": { "type": "object", "additionalProperties": { "type": "string" } }, "queryParams": { "type": "object", "required": [ "acute_cutaneous_lupus", "chronic_cutaneous_lupus", "oral_or_nasal_ulcers", "nonscarring_alopecia", "synovitis", "serositis", "renal", "neurologic", "hemolytic_anemia", "leukopenia_or_lymphopenia", "thrombocytopenia", "ana", "anti_dsdna", "anti_sm", "antiphospholipid", "low_complement", "direct_coombs", "biopsy_lupus_nephritis" ], "properties": { "ana": { "type": "boolean", "description": "ANA above laboratory reference range as assigned by the caller (Petri 2012 Table 3). With biopsy_lupus_nephritis (or anti_dsdna), fulfills the nephritis shortcut. true or false. magent does not assay ANA." }, "renal": { "type": "boolean", "description": "Renal clinical criterion as assigned by the caller (Petri 2012 Table 3): urine protein-to-creatinine ratio (or 24-hour urine protein) representing 500 mg protein/24 hours, or red blood cell casts. Distinct from biopsy_lupus_nephritis. true or false. magent does not assay urine." }, "anti_sm": { "type": "boolean", "description": "Antibody to Sm nuclear antigen as assigned by the caller (Petri 2012 Table 3). true or false. magent does not assay anti-Sm." }, "serositis": { "type": "boolean", "description": "Serositis as assigned by the caller (Petri 2012 Table 3): typical pleurisy >1 day or pleural effusion or pleural rub, or typical pericardial pain >1 day or pericardial effusion or pericardial rub or pericarditis by electrocardiography, in the absence of other causes. true or false. magent does not examine the chest." }, "synovitis": { "type": "boolean", "description": "Synovitis involving 2 or more joints, characterized by swelling or effusion, or tenderness in 2 or more joints and at least 30 minutes of morning stiffnes … (truncated) ``` ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/slicc-2012-sle-classifier-fd662dd0/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from api.magentlab.com](https://www.zero.xyz/host/api.magentlab.com/llms.txt)