Test Code MALB24 Microalbumin Urine, Timed LAB410
Test Method
Turbidimetric Immunoassay; Beckman DXC600
Specimen Requirement
10 mL urine is required.
Additional Specimen Collection Information
Collect a urine specimen for the specified time in a
plastic container. No preservative required. Store the urine
specimen refrigerated and transport to the lab within 48 hours.
Label the specimen appropriately with two identifiers, patient
name
and another identifier, (patient ID number, DOB, etc.) include
date
and time of collection. Record the time period of
collection
on the specimen label. Send the entire specimen to the
laboratory.
24-Hour specimens are recommended but other timed collections
are
acceptable.
Labs submitting specimens should aliquot 10 mL and send
in a plastic transport tube. Label the tube appropriately
with
two identifiers, patient name and another identifier, (patient
ID
number, DOB, etc.) include date and time of
collection. Record
the time of collection and total volume of the timed
specimen on both the request form and the specimen. Store the
urine
specimen refrigerated and transport to the lab within 48 hours.
Reference Values
Total Excretion: < 30.0 mg/24 Hours
Excretion Rate: < 20.0 mcg/Min
Performance
Testing is performed Monday through Sunday.
Typically completed within 4 hours after the specimen
arrives at the testing site.
Useful For
Evaluating diabetic patients to assess the potential for
early
onset of nephropathy
LOINC Code Information
14956-7 Microalbumin [Mass/Time] In 24 Hour Urine
CPT Code Information
82043 Chemistry: Albumin, urine, microalbumin; quantitative