Albumin, 24-Hour Urine without Creatinine

Test Code
24MAL


Quest Code
4555


CPT Codes
82043

Includes
CPT code 81050 may be added at an additional charge for volume measurement


Preferred Specimen
5 mL urine aliquot from a well mixed 24-hour urine collection - no preservative


Minimum Volume
2 mL


Other Acceptable Specimens
Urinalysis transport tube (yellow-top, blue fill line, preservative tube)


Instructions
Specify 24-hour total volume on container and test requisition.

Note: Exercise within 24 hours, infection, fever, congestive heart failure, marked hyperglycemia, and marked hypertension may elevate urinary albumin excretion over baseline values.


Transport Container
Plastic urine container


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 6 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Acid preserved urine


Methodology
Turbidimetric

Setup Schedule
Day shift or night shift Daily


Report Available
1 day


Reference Range
Albumin, 24-hour Ur <30 mg/24 h
Albumin, 24-hour Ur <20 mcg/min


Clinical Significance
Albumin excreted in the urine (Microalbumin) is a sensitive marker of nephropathy. It is used to screen for early renal disease in diabetic patients.


Performing Laboratory
Quest Diagnostics LLC
200 Forest Street, 3rd Floor, Suite B
Marlborough, MA 01752-3023




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.