{"uid":"cap_w1nI3Kh-klgDwOiGJZbn-","slug":"kim-2008-meld-na-calculator-179bd27d","name":"Kim 2008 MELD-Na Calculator","description":"Kim 2008 NEJM MELD-Na from creatinine, bilirubin, INR, sodium, and dialysis. Then-current UNOS MELD: dialysis sets creatinine 4.0 else clamp 1.0-4.0; bilirubin and INR floor 1.0. Sodium bound 125-140. MELDNa = MELD - Na - 0.025*MELD*(140-Na) + 140. Not OPTN 2016 MELD-Na (Na 125-137 only if MELD>11). Not Kim 2021 MELD 3.0. Not a transplant listing or allocation order.","url":"https://api.magentlab.com/api/calc/kim_meldna","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":["inr","sodium_mmol_l","dialysis"],"properties":{"inr":{"type":"number","description":"INR (0.8-10). Floored at 1.0."},"dialysis":{"type":"boolean","description":"Dialysis twice in the last week. true sets creatinine used to 4.0."},"sodium_mmol_l":{"type":"number","description":"Serum sodium in mmol/L (110-160). Kim 2008 bounds the sodium term at 125-140. Applied at every MELD (not only MELD>11)."},"bilirubin_mg_dl":{"type":"number","description":"Total bilirubin in mg/dL (0.1-40). Provide this or bilirubin_umol_l. Floored at 1.0."},"bilirubin_umol_l":{"type":"number","description":"Total bilirubin in µmol/L. Converted as mg/dL = µmol/L / 17.1."},"creatinine_mg_dl":{"type":"number","description":"Serum creatinine in mg/dL (0.1-20). Provide this or creatinine_umol_l. Dialysis sets used creatinine to 4.0; otherwise clamp 1.0-4.0 (then-current UNOS, Kim 2008)."},"creatinine_umol_l":{"type":"number","description":"Serum creatinine in µmol/L. Converted as mg/dL = µmol/L / 88.42."}}}},"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_jy2-vlS3km2xeJ55L1j3S","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 the Kim 2008 NEJM MELD-Na score from creatinine, bilirubin, INR, sodium, and dialysis status using then-current UNOS MELD rules","exampleAgentPrompt":"Calculate the Kim 2008 MELD-Na score for a patient with creatinine 2.1 mg/dL, bilirubin 3.5 mg/dL, INR 1.8, serum sodium 132 mmol/L, and no dialysis in the past week.","exampleUseCases":[{"title":"Cirrhosis severity scoring in hepatology clinic","prompt":"I need the Kim 2008 MELD-Na score for my cirrhotic patient — their creatinine is 1.6 mg/dL, bilirubin 5.2 mg/dL, INR 2.1, sodium 128 mmol/L, and they are not on dialysis."},{"title":"MELD-Na for end-stage renal disease patient","prompt":"Can you compute the MELD-Na score for a patient who has been on dialysis twice this week, with bilirubin 4.0 mg/dL, INR 1.5, and sodium 135 mmol/L?"},{"title":"Convert SI units and compute MELD-Na","prompt":"Calculate the Kim 2008 MELD-Na for a patient whose creatinine is 185 µmol/L, bilirubin is 68 µmol/L, INR is 1.9, serum sodium is 130 mmol/L, and they haven't had dialysis."}],"resultDescription":"Returns the computed MELD-Na score (and likely intermediate MELD) using Kim 2008 rules: dialysis sets creatinine to 4.0; otherwise creatinine clamped 1.0–4.0; bilirubin and INR floored at 1.0; sodium bounded 125–140 for the sodium correction term; MELDNa = MELD − Na − 0.025×MELD×(140−Na) + 140.","failureModes":["Missing required parameters (inr, sodium_mmol_l, dialysis) returns a validation error","Neither bilirubin_mg_dl nor bilirubin_umol_l provided causes an error","Values outside accepted ranges (e.g. sodium outside 110–160) may be rejected or clamped","Payment failure (x402) if USDC not provided or insufficient","Network timeout for the API call"],"whenToPreferThis":"Use this endpoint when you specifically need the Kim 2008 NEJM MELD-Na formula with then-current UNOS clamping rules (creatinine 1.0–4.0, dialysis→4.0, bilirubin/INR floored at 1.0, sodium bounded 125–140 applied at all MELD values). Choose the sibling OPTN 2016 MELD-Na endpoint if you need the official 2016 OPTN/UNOS formula (sodium adjustment only when MELD>11, sodium bound 125–137). Do not use either for the Kim 2021 MELD 3.0 calculation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:05:06.592Z","isFirstParty":false}