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Calculator: Estimated albumin excretion rate from spot urine albumin and creatinine for adults (conventional and SI units)


Calculator: Estimated albumin excretion rate from spot urine albumin and creatinine for adults (conventional and SI units)

 
Input
 
Age   yr
Sex Female

Male
Race Black

Non-black
Spot urine albumin  
Spot urine creatinine  

 
Results
 
Important: Inputs must be complete to perform calculation.

 
 
Estimated albumin excretion rate  
 
Decimal precision  

 
 

 
Notes
  • The normal urine albumin excretion rate is less than 30 mg/day.
  • Rates between 30 and 299 mg/day are called "moderately increased albuminuria," which was formerly called "microalbuminuria."
  • Rates of 300 mg/day or higher are called "severely increased albuminuria," which was formerly called "macroalbuminuria."
  • The estimated creatinine excretion rate has not been validated in a pediatric population (age <19 years).

 
Equations used
 
Estimated_albumin_excretion_rate = (Spot_urine_albumin / Spot_urine_creatinine) * Estimated_creatinine_excretion_rate

 

 
Calculation details and variables
  • For black females: Estimated creatinine excretion rate = 1148.6 + (15.6 * Age) - (0.3 * Age2)
  • For non-black females: Estimated creatinine excretion rate = 1051.3 + (5.3 * Age) - (0.1 * Age2)
  • For black males: Estimated creatinine excretion rate = 1413.9 + (23.2 * Age) - (0.3 * Age2)
  • For non-black males: Estimated creatinine excretion rate = 1307.3 + (23.1 * Age) - (0.3 * Age2)

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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