{"uid":"cap_zwU9Bg-BwApBgdjrjrAbr","slug":"magent-akin-stage-calculator-5fe42226","name":"magent AKIN Stage Calculator","description":"AKIN 2007 (Mehta Table 2) stage 0-3 from baseline and current creatinine in mg/dL and a caller-assigned urine-output category. Stage is the worse of the two limbs; RRT is stage 3. magent does not assay creatinine, measure urine, or collect weight. Not a medical device, not a diagnosis, not KDIGO 2012, and not RIFLE.","url":"https://api.magentlab.com/api/calc/akin","method":"GET","headers":{},"bodySchema":{"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":["baseline_creatinine_mg_dl","current_creatinine_mg_dl","urine_output","rrt"],"properties":{"rrt":{"type":"boolean","description":"Renal replacement therapy initiated as assigned by the caller. true maps to AKIN stage 3 irrespective of creatinine or urine stage (Mehta 2007). true or false."},"urine_output":{"enum":["none","oliguria_gt_6h","oliguria_gt_12h","oliguria_24h_or_anuria_12h"],"type":"string","description":"Caller-assigned AKIN urine-output category (Mehta 2007 Table 2): none (no oliguria or anuria criterion); oliguria_gt_6h (<0.5 mL/kg/h for >6 hours); oliguria_gt_12h (<0.5 mL/kg/h for >12 hours); oliguria_24h_or_anuria_12h (<0.3 mL/kg/h for 24 hours or anuria for 12 hours). Case-insensitive. magent does not collect weight or measure urine."},"current_creatinine_mg_dl":{"type":"number","description":"Current serum creatinine in mg/dL (0.1-20). Staging uses the unrounded value. µmol/L is not accepted on this tool. magent does not assay creatinine."},"baseline_creatinine_mg_dl":{"type":"number","description":"Baseline serum creatinine in mg/dL (0.1-20). Staging uses the unrounded value. µmol/L is not accepted on this tool. magent does not assay creatinine."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_v2tFDq5BsRPg8ys_u8UL_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes AKIN 2007 acute kidney injury stage (0–3) from baseline creatinine, current creatinine, and a caller-assigned urine-output category, returning the worse of the two limbs.","exampleAgentPrompt":"Using the AKIN 2007 criteria, calculate the acute kidney injury stage for a patient with a baseline creatinine of 0.9 mg/dL, a current creatinine of 2.5 mg/dL, urine output showing oliguria for more than 12 hours, and no renal replacement therapy initiated.","exampleUseCases":[{"title":"ICU AKI triage staging","prompt":"Stage the AKI for my ICU patient whose baseline creatinine was 1.0 mg/dL, current creatinine is 3.2 mg/dL, they've had oliguria for more than 6 hours, and they haven't started RRT yet — use AKIN 2007 criteria."},{"title":"RRT patient automatic stage 3","prompt":"A patient just started renal replacement therapy — their baseline creatinine was 1.2 mg/dL and current is 1.8 mg/dL, with no significant oliguria. What AKIN stage does that make them?"},{"title":"Mild AKI creatinine bump staging","prompt":"Calculate the AKIN stage for a patient whose creatinine went from 0.8 to 1.1 mg/dL with no oliguria or anuria and no RRT — just want to confirm whether this even qualifies as AKI."}],"resultDescription":"Returns the AKIN acute kidney injury stage (0, 1, 2, or 3) computed as the worse of the creatinine-based limb and the urine-output limb; RRT initiation automatically maps to stage 3 regardless of other inputs.","failureModes":["Missing required query parameters (baseline_creatinine_mg_dl, current_creatinine_mg_dl, urine_output, rrt) returns a 4xx error","Creatinine values outside the 0.1–20 mg/dL range may be rejected or produce unexpected results","Providing creatinine in µmol/L instead of mg/dL is not supported and will yield incorrect staging","Invalid urine_output enum value returns a validation error","Payment failure or insufficient USDC balance returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a fast, deterministic AKIN 2007 (Mehta Table 2) AKI stage computed from creatinine in mg/dL and a pre-categorized urine-output descriptor. Prefer it over manual calculation or KDIGO-based tools when you specifically need AKIN 2007 staging in an automated or agentic pipeline. Not suitable when you need KDIGO 2012 criteria, RIFLE classification, creatinine unit conversion from µmol/L, or actual urine measurement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:03:33.046Z","isFirstParty":false}