Shop - Creatinine

Description

• Definition: Creatinine is a chemical waste product produced from muscle metabolism, specifically from the breakdown of creatine, which is involved in energy production in muscles. It is primarily filtered out of the blood by the kidneys.
• Purpose: Measuring creatinine levels in the blood or urine is essential for assessing kidney function. Elevated levels may indicate impaired kidney function or chronic kidney disease, while low levels can be associated with decreased muscle mass or certain medical conditions.
• Clinical Relevance: Creatinine testing is commonly used in routine health evaluations and helps monitor patients with known kidney disorders, as well as those receiving medications that may affect kidney function.
• Interpretation: Normal creatinine levels vary by age, sex, and muscle mass, but typically range from about 0.6 to 1.2 mg/dL in adults. An increase in creatinine levels often prompts further investigation into kidney health and function.
• Testing Methods: Creatinine levels can be measured through serum tests (blood samples) or 24-hour urine tests. The glomerular filtration rate (GFR), a key indicator of kidney function, is often estimated based on serum creatinine levels, age, sex, and race.