Specific Gravity of Urine
Laboratory Tests
≈ ¥20-50
(≈ $3-7)
15 min
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Description
Estimated cost for Specific Gravity of Urine at general public hospitals in China is about ¥15-40, and at Grade 3A hospitals about ¥20-50, varying by hospital tier and region.
Main Uses
The main clinical uses of measuring urine specific gravity are to assess the body's hydration status, evaluate kidney function, and assist in diagnosing various medical conditions such as diabetes insipidus, acute or chronic kidney disease, and dehydration. It is also used to monitor the effectiveness of treatments for these conditions.
Normal Range
The normal range for specific gravity (尿比重) of urine is typically between 1.005 and 1.030. This can vary slightly based on hydration status, diet, and other factors.
Low Values - Possible Causes
Possible causes of low values include: overhydration, renal failure, diabetes insipidus, consumption of large amounts of water, and certain kidney diseases that impair the ability to concentrate urine.
High Values - Possible Causes
Possible causes of high values include: dehydration, excessive sweating, fever, diarrhea, vomiting, and conditions like heart failure or liver disease which can lead to fluid retention and more concentrated urine.