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Additional recommended knowledge
The level of albumin protein produced by Microalbuminuria cannot be detected by urine dipstick methods. A microalbumin urine test determines the presence of the albumin in urine. In a properly functioning body, albumin is not normally present in urine because it is filtered from the bloodstream by the kidneys.
Microalbuminuria is diagnosed either on 24-hour urine collections (20 to 200 µg/min) or, more commonly, if elevated concentrations (30 to 300mg/L) on at least two occasions.. Albumin levels above these values is called "macroalbuminuria", or sometimes just albuminuria.
To compensate for the variable possible urine concentration on spot-check samples, it is more typical in the UK to compare the amount of albumin in the sample against its concentration of creatinine. This is termed the Albumin/creatinine ratio (ACR) and microalbuminuria is defined as ACR ≥2.5 mg/mmol (male) or ≥3.5 mg/mmol(female).
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Microalbuminuria". A list of authors is available in Wikipedia.|