magent

Fractional excretion of sodium (FENa) from plasma and urine sodium and creatinine. Espinel 1976 oliguric ARF strata. Deterministic published formula with citation; not a diagnosis.

Resource: api.magentlab.com/api/calc/fena

Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x836Be278f1739fB4308091cD1852F7971Bc19Ee2

Payment methods: eip3009 · Last validation: 2026-09-14 11:04:51.58+00

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            "type": "number",
            "description": "Plasma or serum sodium in mmol/L (110-160)."
          },
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            "type": "number",
            "description": "Plasma creatinine in mg/dL (0.1-20). Provide this or creatinine_umol_l."
          },
          "creatinine_umol_l": {
            "type": "number",
            "description": "Plasma creatinine in µmol/L (9-1768). Converted as mg/dL = µmol/L / 88.42."
          },
          "urine_sodium_mmol_l": {
            "type": "number",
            "description": "Urine sodium in mmol/L (1-300)."
          },
          "urine_creatinine_mg_dl": {
            "type": "number",
            "description": "Urine creatinine in mg/dL (1-500). Provide this or urine_creatinine_umol_l."
          },
          "urine_creatinine_umol_l": {
            "type": "number",
            "description": "Urine creatinine in µmol/L (88-44210). Converted as mg/dL = µmol/L / 88.42."
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Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.