Creatinine is removed from the body by the kidneys which filter almost all of it from the blood and release it into the urine. Normal creatinine clearance for healthy women is 88 128 ml min.
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Creatinine clearance can also be more directly measured by collecting a 24 hour urine sample and then drawing a blood sample.
Creatinine normal lab values. The normal range for creatinine in the blood may be 0 84 to 1 21 milligrams per deciliter 74 3 to 107 micromoles per liter although this can vary from lab to lab between men and women and by age. This test measures the amount of creatinine in the blood and or urine. Merck manual consumer version.
For non hispanic blacks the average blood creatinine is 1 25 mg dl in men and 1 01 mg dl in women. The creatinine clearance test looks at the amount of creatinine in your urine and blood. The creatinine is used as an approximation of the glomerular filtration rate gfr.
The kidneys are responsible for keeping the level of creatinine in the blood within a normal range. These laboratory tests are helpful in determining the kidney function of an. Serum creatinine ranges are lower for women because women have less muscle mass and thus a lower rate of creatinine formation and excretion.
Renal function studies normal lab values. 280 to 300 mosm kg. Normal blood creatinine levels also vary by race.
In this section we ll be discussing the normal laboratory values of serum creatinine and blood urea nitrogen including their indications and nursing considerations. Normal lab value for serum osmolality. What do low or high results mean.
And 97 to 137 ml min. The creatinine levels in both urine and blood are determined and compared. In males normal levels may vary slightly between labs.
The bun creatinine ratio is a good measurement of kidney and liver function. The doctor then sends the sample to a lab for analysis. Increased levels may indicate.
Creatinine is a waste product produced by muscles from the breakdown of a compound called creatine. The normal range is 6 to 25 with 15 5 being the optimal adult value for this ratio. High amounts of creatinine can be a sign of kidney disease.
In general a doubling of creatinine suggests a 50 reduction in the gfr. Since the amount of creatinine in the blood increases with muscle mass men usually have higher creatinine levels than do women.