Urine Microalbumin, Random

Test Code

LAB689

Alias/See Also

Urine microalbumin/Urine creatinine ratio - random, Spot Urine

CPT Codes
82043

Includes

Microalbumin; urine creatinine, Microalbumin creatinine ratio

Preferred Specimen

Urine. Collect in clean dry container.
Refrigerate within 2 hours

Instructions

Collect Random urine

Specimen Stability

Stable refrigerated for 3 days.

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

Bloody urine; preservative present; urine not refrigerated; frozen urine.

Methodology
Blanked endpoint:The light scattering properties of the antibody/antigen complexes increase sol'n turbidity proport'l to albumin conc. in sample.

Setup Schedule

Tuesday, Friday - PM Shift

Report Available

Within 24 hours of report run

Reference Range

"Microalbumin Urine: None established, mg/dL
Creatinine Urine: None established, mg/dL
Microalbumin/Creatinine Ratio: 0-30 ug/mg"

Clinical Significance

Microalbuminuria is characterized by urinary albumin excretion above normal levels in the absence of clinically detectable nephropathy. Mildly increased excretion of albumin has been recognized to be a predictor of impending development of clinical renal disease in patients with hypertension or diabetes mellitus.4 Microalbuminuria is noted to be present if urinary albumin is in the range of 30-300 mg/ 24 h.

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.