“What causes high kidney levels?”

When you say that you have kidney levels high. Are you referring to your glomerular filtration rate (GFR) and creatinine? Glomerular Filtration Rate (GFR) greater than 60 or higher is the normal range. GRR lower than 60 may mean kidney disease. GFR 15 or lower may mean kidney failure. There are urine tests, Dipstick urine test, Urine albumin-to-creatinine ratio (UACR) which compares albumin to creatinine in your urine. Blood tests, Serum creatinine, glomerular filtration rate (GFR), Blood Urea Nitrogen, Blood test, Imaging, and others. Now, there are multiple reasons for increase GFR and creatinine. They are drug toxicity, kidney infection, diabetes, glomerulonephritis, high blood pressure, heart disease, kidney failure etc. Thank you.

What do you mean by “high kidney levels?” Do you have lab test numbers for BUN and Creatinine? This would be most helpful along with how soon these became “high” in interpreting what’s going on. David Gordon

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It could be a host of things like high blood pressure, intrinsic kidney disease medication so a 24 urine test and other test may be required to determine the cause.

Absolutely you should see a doctor, likely a kidney specialist (nephrologist). There are myriad causes for high creatinine that range from drainage problems to intrinsic kidney disease such as hypertensive, diabetic, cystic, inflammatory causes, just to name the most common.