Microalbumin
Synonym - Specimen - Reference Value - Method - Description - Indication - Interpretation
Synonym : Albumin , Urine
Specimen : Urine (10 mL ) from random or timed specimen collected in a clean plastic collection container
Reference Value : Random microalbumin 0 - 30 micron g/mL , 24-h microalbumin Greater than 40 miron g/24h
Method : Nephelometry immunoassay
Description
The term microalbumin is used to describe concentration of albumin in urine that are greater than normal but undetectable by dipstick or traditional spectrophotometry methods .
Miroalbuminuria preceeds the nephropathy associated with diabetes and is often elevated years before creatinine clearance shows abnormal values . Studies have shown that the median duration from onset of microalbuminuria to development of nephropathy is 5 to 7 years .
Indications
- Evaluate renal disease
- Screen diabetic patients for early signs of nephropathy
Interpretation
Increased in
- Diabetic nephropathy
- Exercise
- Hypertension (uncontrolled )
- Renal disease , Urinary tract infections