What Happens if Your Blood Creatinine is 5.0 mg/dL?
                                
                                
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                                    4 min read                                
                            
                                According to health experts, a serum creatinine level of 5.0 mg/dL or higher in adults is a critical value that indicates severely impaired kidney function or kidney failure. For those wondering what happens if creatine is 5, it's crucial to understand this number refers to creatinine, a waste product, not the dietary supplement creatine itself.