Creatinine, Serum

Creatinine is a waste product of muscle Metabolism that is excreted by the kidneys. The serum creatinine test is used to assess kidney function and detect disorders such as Kidney failure. Kidneys function assessment: Creatinine is produced in muscles and excreted by the kidneys. Serum creatinine levels are an important indicator of kidney function.
Diagnosis of kidney disease: Elevated creatinine levels may indicate impaired kidney function, such as Kidney failure or Chronic kidney disease.
Monitoring treatment: The creatinine test is used to monitor patients with kidney diseases and assess the effectiveness of treatments, including dialysis.
Relationship with muscle mass: Creatinine levels are also influenced by muscle mass, so reference ranges differ for men and women.