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Urine Microalbumin
Aka: Urine Microalbumin, Urine Albumin to Creatinine Ratio, Microalbuminuria, Macroalbuminuria
- See Also
- Diabetic Nephropathy
- Urine Protein to Creatinine Ratio
- Indications
- Diabetes Mellitus
- Hypertension
- Questionable efficacy as prognostic factor in Hypertension (contrast with Diabetes Mellitus)
- Protocol
- Nephropathy diagnosis needs 2 of 3 samples positive
- Typically performed as a random spot urine collection
- Consider postural Proteinuria (especially in adolescents)
- Obtain overnight timed urine collection
- Interpretation: Urine Albumin
- Normal
- 24h Collection: <30 mg/day
- Timed Collection: <20 mcg/min
- Spot Collection: <30 mcg/mg Creatinine
- Microalbuminuria
- 24h Collection: 30-300 mg/day
- Timed Collection: 20-200 mcg/min
- Spot Collection: 30-300 mcg/mg Creatinine
- Macroalbuminuria
- 24h Collection: >300 mg/day
- Timed Collection: >200 mcg/min
- Spot Collection: >300 mcg/mg Creatinine