Albumin in urine

• The test material is a urine sample collected at any time of the day.
• The patient does not need to fast.
• The patient typically collects urine into a vacuum container, then tightens the cap and peels off the sticker. Under the sticker is a hole for the included collection tube. The patient then places the collection tube on the designated hole, and the tube automatically draws in the urine. The patient brings this collection tube for analysis, and the patient disposes of the large container containing excess urine.
  If the sample submitted is insufficient, the laboratory reserves the right to cancel the analysis.
• The container containing the collected material must be signed.

The pathological condition in which albumin is present in the urine is called albuminuria. Albuminuria is a marker of renal failure, sometimes preceding symptoms of kidney damage. Measurement of urinary albumin concentration is important in patients with diabetes and hypertension. It is performed on a random urine sample. It is important to note that the result may be false due to excessive physical exertion, urinary tract infection, and dehydration. If albumin concentration is expressed as a creatinine concentration (ACR), a urine sample is collected at any time. With this index, the following are considered normal: ACR < 30 mg albumin/g creatinine (normoalbuminuria); elevated without symptoms of nephropathy: ACR 30-300 mg albumin/g creatinine (microalbuminuria) and elevated (ACR > 300 mg albumin/g creatinine (macroalbuminuria). A single result is sufficient to diagnose macroalbuminuria, while confirmation of microalbuminuria requires a double test. The finding of elevated albumin concentration in urine in patients with diabetes and hypertension is associated with the risk of cardiovascular diseases.

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