Urine Albumin, Quantitative Timed


Sunquest Code:UMALBT  
Epic Code:LAB3839Epic Name:Microalbumin Timed Urine
Synonyms:Urine Microalbumin; Quantitative Timed (LHE sites only)
Methodology:Nephelometric
St Johns/St Joseph/ Woodwinds: Dye binding BCP
Test Includes:Albumin Urine, mg/L; Albumin Urine mg/spec; Albumin Urine mg/g Cr; Duration in hours, Volume in mL, Creatinine Urine mg/dL, Creatinine Urine Time g/spec
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:NKDEP/IFCC concensus guidelines (2009) state: Use of the term "Urine Albumin" is recommended;  "Microalbumin" is discouraged.
Associated Links:

Urine Collection Procedure



Collection Instructions

Specimen:Urine, timed collection preferred
Optimal Volume:Submit entire collection; analysis requires 0.6 mL
Container:3 L plastic jug
Collection Instructions:Acceptable urine samples: 24-hour urine, overnight urine (8-12 hours), 1-2 hour urine. Frozen urine is not recommended.


Processing and Shipping

Specimen Processing:Mix collection well before aliquot is taken. Aliquot 1 mL, 0.6 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Chemistry  (M Health Maple Grove Clinic, Range, UMMC-West Bank, UMMC-East Bank, Oxboro Bloom, Lakes, Northland, M Health Clinic and Surgery Center, St. Joseph's)


Interpretive

Reference Range:St Joseph: 0-22 mg/spec;  <20 mg/g creatinine; 0-19.9 ug/min

All other sites:
Age  
0-17 y 0-25 mg/g creatinine
18 y & older, Female 0-25 mg/g creatinine
18 y & older, Male 0-17 mg/g creatinine
 
All sites:
Age Female, g/spec Male, g/spec
0-2 y None None
3-8 y 0.11-0.68 0.11-0.68
9-12 y 0.17-1.41 0.17-1.41
13-17 y 0.29-1.87 0.29-1.87
18 y & older 0.80-1.80 1.00-2.00
 
Use:Early predictor of clinical diabetic nephropathy. Kidney changes include a rise in urinary albumin secretion detectable only by sensitive assays. At this stage, Albustix is negative and renal function is normal by standard assays.


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