{"api":"v1","generated_at":"2026-10-03T16:21:14.034Z","licence":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"TOLL, with a link to the page cited"},"page":"https://tollindex.com/e/api-magentlab-com-api-calc-kocher-0b3960","pinned_page":"https://tollindex.com/e/api-magentlab-com-api-calc-kocher-0b3960/at/2026-10-03T16-16Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-10-03T16:16:18.158Z","snapshot_stamp":"2026-10-03T16-16Z","endpoint":{"slug":"api-magentlab-com-api-calc-kocher-0b3960","canonical_url":"https://api.magentlab.com/api/calc/kocher","resource":"https://api.magentlab.com/api/calc/kocher","http_method":"POST","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Kocher 1999 four predictors for children with irritable hip: history of fever (oral temperature >38.5 C), non-weight-bearing, ESR >=40 mm/h, and serum WBC >12000/uL; 1 point each, max 4. Returns published predicted probability of septic arthritis vs transient synovitis. Deterministic published score with citation; not a diagnosis, not Caird CRP, not adults, and not an aspiration order.","service_name":"magent","declared_category":null,"declared_tags":["kocher","septic-arthritis","pediatric-hip","calculator"],"route_template":null,"registry_updated":"2026-09-28T14:48:15.661Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"calc kocher","category":"other","first_observed_by_toll":"2026-09-28T13:51:25.436Z","last_observed_by_toll":"2026-10-03T16:16:18.158Z","observation_began":"2026-09-10"},"presence":{"listed_now":true,"first_absent_at":null,"delisting_confirmed_at":null,"events":[{"registry":"cdp","at":"2026-09-28T13:51:25.437Z","event":"listed"}]},"accepts":[{"registry":"cdp","ordinal":0,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.005 USDC","amount_units":0.005,"decimals_known":true,"pay_to":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","scheme":"exact"}],"counters":{"observed_at":"2026-10-03T16:16:18.158Z","calls_30d":1,"unique_payers_30d":1,"last_called_at":"2026-09-28T14:48:15.549Z"},"validation":{"latest":{"observed_at":"2026-10-03T03:59:54.921Z","state":"pass","failed_checks":[],"endpoint_http_status":402,"run_id":"daily-2026-10-03"},"uptime":[{"days":7,"observed":7,"passed":7,"ratio":1},{"days":30,"observed":7,"passed":7,"ratio":1},{"days":90,"observed":7,"passed":7,"ratio":1}],"history_90d":[{"observed_at":"2026-10-03T03:59:54.921Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-03","state_changed":false},{"observed_at":"2026-10-02T13:09:05.369Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-02","state_changed":false},{"observed_at":"2026-10-01T06:25:13.911Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-01","state_changed":false},{"observed_at":"2026-09-30T05:43:24.490Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-30","state_changed":false},{"observed_at":"2026-09-29T18:03:57.752Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-29","state_changed":false},{"observed_at":"2026-09-28T16:52:17.000Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-28","state_changed":false},{"observed_at":"2026-09-28T14:20:29.230Z","state":"pass","failed_checks":[],"run_id":"new-after-daily-2026-09-28","state_changed":true}]},"seller":{"wallet":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","page":"https://tollindex.com/seller/0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","endpoints":844,"hosts":1},"reports":0,"registry_record":{"cdp":[{"tags":["kocher","septic-arthritis","pediatric-hip","calculator"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2","paymentFlow":"upfront","resourceUrl":"https://api.magentlab.com/api/calc/kocher","assetTransferMethod":"eip3009"},"payTo":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":600}],"quality":{"lastCalledAt":"2026-09-28T14:48:15.549Z","l30DaysTotalCalls":1,"l30DaysUniquePayers":1},"resource":"https://api.magentlab.com/api/calc/kocher","extensions":{"bazaar":{"info":{"input":{"body":{"items":[{"wbc_ul":8000,"esr_mm_h":20,"wbc_k_ul":8,"history_of_fever":false,"non_weight_bearing":false},{"wbc_ul":8000,"esr_mm_h":20,"wbc_k_ul":8,"history_of_fever":false,"non_weight_bearing":false}]},"type":"http","method":"POST"},"output":{"type":"json","example":{"path":"/api/calc/kocher","count":2,"items":[{"score":0,"wbc_ul":8000,"formula":"kocher","citation":{"id":"kocher-1999","doi":"10.2106/00004623-199912000-00002","pmid":"10608376","title":"Differentiating between septic arthritis and transient synovitis of the hip in children: an evidence-based clinical prediction algorithm","source":"J Bone Joint Surg Am. 1999;81(12):1662-1670","authors":"Kocher MS, Zurakowski D, Kasser JR"},"esr_mm_h":20,"max_score":4,"components":[{"factor":"history_of_fever","points":0,"present":false},{"factor":"non_weight_bearing","points":0,"present":false},{"value":20,"factor":"esr_ge_40","points":0,"present":false},{"value":8000,"factor":"wbc_gt_12000","points":0,"present":false}],"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.","formula_expression":"Kocher = history_of_fever + non_weight_bearing + (esr_mm_h >= 40) + (wbc_ul > 12000); each 1; max 4; predicted probability 0:<0.2% 1:3.0% 2:40.0% 3:93.1% 4:99.6%","predicted_probability":"<0.2%"},{"score":0,"wbc_ul":8000,"formula":"kocher","citation":{"id":"kocher-1999","doi":"10.2106/00004623-199912000-00002","pmid":"10608376","title":"Differentiating between septic arthritis and transient synovitis of the hip in children: an evidence-based clinical prediction algorithm","source":"J Bone Joint Surg Am. 1999;81(12):1662-1670","authors":"Kocher MS, Zurakowski D, Kasser JR"},"esr_mm_h":20,"max_score":4,"components":[{"factor":"history_of_fever","points":0,"present":false},{"factor":"non_weight_bearing","points":0,"present":false},{"value":20,"factor":"esr_ge_40","points":0,"present":false},{"value":8000,"factor":"wbc_gt_12000","points":0,"present":false}],"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.","formula_expression":"Kocher = history_of_fever + non_weight_bearing + (esr_mm_h >= 40) + (wbc_ul > 12000); each 1; max 4; predicted probability 0:<0.2% 1:3.0% 2:40.0% 3:93.1% 4:99.6%","predicted_probability":"<0.2%"}]}},"iconUrl":"https://api.magentlab.com/favicon.ico"},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"body":{"type":"object","required":["items"],"properties":{"items":{"type":"array","items":{"type":"object","required":["history_of_fever","non_weight_bearing","esr_mm_h"],"properties":{"wbc_ul":{"type":"number","description":"WBC in cells/µL (same as cells/mm^3). Provide wbc_k_ul or wbc_ul. Range 10-500000. >12000 scores 1 (12000 does not; 12001 does)."},"esr_mm_h":{"type":"number","description":"Erythrocyte sedimentation rate in mm/h (1.0-150.0). ≥40 scores 1 (40 scores; 39.9 does not)."},"wbc_k_ul":{"type":"number","description":"WBC in 10^3/µL (same as 10^9/L). Provide wbc_k_ul or wbc_ul. Range 0.01-500. >12000/µL scores 1."},"history_of_fever":{"type":"boolean","description":"History of fever (oral temperature >38.5°C in Kocher 1999). true or false as assigned by the caller."},"non_weight_bearing":{"type":"boolean","description":"Non-weight-bearing on the affected limb (Kocher 1999). true or false as assigned by the caller."}}},"maxItems":25,"minItems":1}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"type":"string","const":"POST"},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}}}},"description":"Kocher 1999 four predictors for children with irritable hip: history of fever (oral temperature >38.5 C), non-weight-bearing, ESR >=40 mm/h, and serum WBC >12000/uL; 1 point each, max 4. Returns published predicted probability of septic arthritis vs transient synovitis. Deterministic published score with citation; not a diagnosis, not Caird CRP, not adults, and not an aspiration order.","lastUpdated":"2026-09-28T14:48:15.661Z","serviceName":"magent","x402Version":2}]}}