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37. Serum creatinine (mg/dL) Creatinine (Cr) is a marker of kidney function. Record the value of creatinine (mg/dl) reported in the medical record. Record NR (enter ===), if a value of creatinine was not available or performed during the course of this hospitalization. In general, the highest valvue will be the worst. Reference range: 0.6 - 1.2 ... ................
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