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Blood Tests > Creatinine Level Test
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Creatinine is a waste product generated by normal muscle metabolism. It is produced at a relatively constant rate and filtered out of the blood by the kidneys, eventually excreted in urine. As a result, creatinine levels in the blood can provide valuable insights into kidney function.
Our Silver Blood Profile includes creatinine and other kidney function markers, as well as many other useful markers, all for just £59.
Your kidneys are important. They are responsible for filtering waste products, excess fluid, and toxins from your bloodstream. When your kidneys are functioning properly, your creatinine levels remain stable within a specific range. Elevated creatinine levels can indicate impaired kidney function, suggesting potential kidney damage or disease.
Monitoring your creatinine levels and kidney function is an important part of preventative health and also understanding any urinary and other symptoms you may be experiencing. A Creatinine Level Test (known as a serum creatinine test) is a simple blood test and is a great way to routinely measure your creatinine levels (especially if you have pre-existing kidney conditions, diabetes, hypertension, or a family history of kidney disease).
Normal creatinine levels vary depending on your age, sex, and muscle mass. Several factors can influence creatinine levels, including:
Kidney Function: Any impairment in kidney function can lead to increased creatinine levels, indicating reduced filtration capability.
Age and Muscle Mass: Creatinine levels tend to be higher in individuals with more muscle mass, making it necessary to consider age and body composition when interpreting results.
Diet and Hydration: Dehydration can cause a temporary rise in creatinine levels, while a high-protein diet may slightly elevate levels as well.
Medications and Medical Conditions: Certain medications, such as nonsteroidal anti-inflammatory drugs (NSAIDs), and medical conditions like muscle disorders can impact creatinine levels.
Lifestyle changes play a significant role in protecting your kidneys. Drinking enough water supports kidney function and prevents dehydration-related spikes in creatinine levels.
A balanced diet rich in fruits, vegetables, whole grains, lean proteins, and low sodium is crucial for promoting kidney health, along with regular exercise and avoiding nephrotoxic substances such as alcohol, drugs, and certain medications known to be harmful to the kidneys.
There can be several reasons for elevated levels of creatinine in the body, however the most common causes include:
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You will be seen by one of our friendly phlebotomists or trained clinicians.
You do not need to fast for a creatinine test but you should be well-hydrated. Being dehydrated when having the test can distort the result.
A healthcare assistant or nurse will take your blood sample and prepare it for the laboratory. A sample is taken with a quick prick in the arm to draw blood, and it typically only takes a few minutes.
Your results will be promptly emailed to you within 12 hours of your blood sample being taken and sent for analysis.
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