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Test Code MALB 24U Microalbumin, 24 Hour, Urine

Important Note

Start and end times of collection are required on request form for processing.

Performing Laboratory

Memorial Hospital Laboratory- Automated Procedures  304-388-5953       
Teays Valley Hospital Laboratory 304-757-1770

Specimen Requirements

Entire 24-hour urine collection in a urine container without preservative

Refrigerate specimen during collection and send specimen on ice.

 

24-Hour Urine Collection Instructions

24 Hour Urine Collection

Storage and Stability

Refrigerated 2-8oC 1 week
Frozen <-20oC 1 yr

Reference Values

Category 24 Hour Urine   Albumin Excretion Rate
Units of Measure (mg/24 hr)  (mcg/min)
Normal <30 <20
Microalbuminuria 30-299 20-199
Clinical Albuminuria > 300 > 200

Methodology

Photometric assay

Days Test Set Up and Turnaround

Monday through Sunday, Continuously 

AM Collection Expected by 9AM same day
Routine Expected within 24 hrs
Stat Expected within 1 hr
Timed Expected results are test dependant

CPT Coding

81050

82043

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient