Is a Creatinine Level of 0.8 mg/dL Considered Normal?

Creatinine 0.8

Is my creatinine level of 0.8 considered normal?

Vivian, 40~49 year old female. Ask Date: 2016/02/24

Dr. Wu Jiyu reply Internal Medicine

1.
If your age-adjusted glomerular filtration rate is 82 ml/min/1.73 m² (calculated using the MDRD formula), it is slightly below 90 ml/min/1.73 m²; however, this alone should not be used to conclude that there is a problem (as this formula was developed from studies conducted abroad, and local experts are still in the process of refining it).

2.
If your urinalysis is normal (with no proteinuria, hematuria, etc.), and your kidney ultrasound is also normal without any risk factors such as hypertension, hyperglycemia, or hyperlipidemia, please remember to continue annual follow-ups.
Thank you for your inquiry, and the Nephrology Department of Changhua Hospital cares about your health.

Reply Date: 2016/02/24

More Info

A creatinine level of 0.8 mg/dL is generally considered to be within the normal range for adults. The typical reference range for serum creatinine is approximately 0.6 to 1.2 mg/dL, although this can vary slightly depending on the laboratory and the individual’s muscle mass, age, sex, and overall health.
Creatinine is a waste product produced from muscle metabolism and is usually filtered out of the blood by the kidneys. Therefore, measuring creatinine levels can provide valuable insights into kidney function. A normal creatinine level suggests that the kidneys are functioning properly and are effectively filtering waste from the bloodstream.
However, it is important to consider that creatinine levels can be influenced by several factors. For instance, individuals with lower muscle mass, such as the elderly or those with certain medical conditions, may have lower creatinine levels. Conversely, athletes or individuals with higher muscle mass may have higher levels. Additionally, hydration status can also affect creatinine levels; dehydration can lead to elevated levels, while overhydration can dilute creatinine levels.

In clinical practice, creatinine levels are often interpreted alongside other tests, such as Blood Urea Nitrogen (BUN) and estimated Glomerular Filtration Rate (eGFR), to assess kidney function more comprehensively. The BUN to creatinine ratio is typically around 10:1 to 15:1 in healthy individuals. If the ratio is significantly higher or lower, it may indicate specific conditions affecting kidney function or hydration status.

For a more accurate assessment of kidney health, especially if there are symptoms of kidney issues or if there are risk factors such as diabetes or hypertension, additional tests may be warranted. These could include urine tests to check for protein or blood, imaging studies, or even a kidney biopsy in certain cases.

In summary, a creatinine level of 0.8 mg/dL is generally considered normal. However, it is essential to interpret this value in the context of other clinical findings and individual health factors. If there are any concerns about kidney function or if there are symptoms such as swelling, fatigue, or changes in urination, it is advisable to consult a healthcare provider for further evaluation and management. Regular monitoring and maintaining a healthy lifestyle, including proper hydration, a balanced diet, and managing underlying health conditions, can help support kidney health.

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