Test Code MAL24 Microalbuminuria, 24-Hour Collection, Urine
Performing Laboratory
MaineGeneral Medical CenterReference Values
Microalbumin: <20 µg/minMicroalbumin/creatinine ratio: <30 µgALB/mgCREAT
Methodology
Nephelometry (Dade-Behring BN-II)Specimen Requirements
2 mL from a 24-hour urine collection. No preservative. Mix well before taking 2-mL aliquot. (An entire 24-hour urine collection is also acceptable.) Refrigerate specimen during collection, and send specimen refrigerated in plastic urine container.Note: 1. Starting and ending times of collection are required on request form for processing.
2. See “Urine Collection” in “Special Instructions” for 24-hour specimens.
3. Label specimen with patient’s name (first and last), date of birth, date and time of collection, and collector’s initials.
Day(s) Test Set Up
Monday through FridayTest Classification and CPT Coding
82043 - microalbumin81050 - urine timed measurement (if appropriate)