Your Urine Test Results: Total Protein and Creatinine Levels - Internal Medicine

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Total protein (U) & creatinine (U)


Doctor, my test report shows that protein is negative, creatinine is 0.56, total protein (U) is 9.7, and creatinine (U) is 95.36.
What do these results mean? Are they within the normal range? Is there anything I need to pay attention to? Thank you.

Yuyu, 40~49 year old female. Ask Date: 2023/11/10

Dr. Wu Hongjie reply Internal Medicine


Total protein (U) 9.7 and creatinine (U) 95.36 refer to the levels of total protein and creatinine in your urine.
The normal reference range for total protein (U) is less than 14, and your result of 9.7 is within the normal range.
There is no established normal range for creatinine (U) as it can vary based on factors such as meat consumption, medications, fluid intake, body weight, and kidney function.

You can calculate the urine protein-to-creatinine ratio to assess protein levels in the urine.
A ratio of less than 0.15 is considered normal, and your value of 9.7/95.36 = 0.1 is also within the normal range.

Reply Date: 2023/11/10

More Info


Understanding your urine test results, particularly the Total Protein and Creatinine levels, is essential for assessing kidney function and overall health. Let's break down the components of your report and their implications.

1. Protein Levels:
- The report indicates that your urine protein is negative. This means that there is no significant amount of protein detected in your urine, which is generally a good sign. Normally, healthy kidneys do not allow large amounts of protein to pass into the urine.
- The Total Protein (U) value of 9.7 mg/dL is within the normal range, as typical values for urine protein are less than 14 mg/dL. This suggests that your kidneys are functioning well in terms of protein filtration.

2. Creatinine Levels:
- Your serum creatinine level is 0.56 mg/dL. While this value is lower than the typical reference range (approximately 0.6 to 1.2 mg/dL for adults), it is important to interpret this in the context of your overall health, muscle mass, and hydration status. Lower creatinine levels can sometimes be seen in individuals with lower muscle mass or those who are well-hydrated.

- The urine creatinine level of 95.36 mg/dL is also a standard measurement used to assess kidney function.
3. Protein/Creatinine Ratio:
- To further evaluate your kidney function, we can calculate the Protein/Creatinine Ratio (PCR). This is done by dividing the Total Protein (U) by the urine creatinine (U). In your case, it would be 9.7 mg/dL (Total Protein) divided by 95.36 mg/dL (Creatinine), which equals approximately 0.102.
- This ratio is less than 0.15, which is considered normal. A PCR below this threshold indicates that there is no significant proteinuria (excess protein in urine), which is a positive finding.

4. Clinical Significance:
- The absence of protein in your urine and the normal Protein/Creatinine Ratio suggest that your kidneys are functioning properly and are not leaking protein, which can be a sign of kidney damage or disease.

- It is essential to maintain regular check-ups, especially if you have risk factors for kidney disease, such as diabetes or hypertension.
5. Recommendations:
- Continue to monitor your kidney function through regular urine tests, especially if you have any underlying health conditions.

- Stay hydrated and maintain a balanced diet to support kidney health.

- If you experience any symptoms such as swelling, fatigue, or changes in urination, consult your healthcare provider for further evaluation.

In summary, your test results indicate that your kidney function appears to be normal, with no significant proteinuria. Regular monitoring and maintaining a healthy lifestyle are key to preserving kidney health. If you have any further questions or concerns, don't hesitate to reach out to your healthcare provider for personalized advice.

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