Proven Diagnostics Test Catalog

ALBUMIN, 24 HOUR URINE
Test code:	ALB24
Specimen type:	24 hour urine.
Tube type / collection container:	24-hour urine container (no preservative)
Specimen collection notes:	Urine with preservatives is not acceptable. Mix well. Estimate total collection volume from 24-hour urine container. Remove required aliquot. Record total volume on both aliquot tube and request slip (if applicable).
What to submit:	10 mL aliquot of 24-hour urine; minimum 1 mL.
Patient preparation:	None.

Specimen Processing Instructions:	10 mL aliquot of 24-hour urine.
Transport temperature:	Refrigerated (preferred). Room temperature or frozen also acceptable.
Specimen stability:	Room temperature: 7 days. Refrigerated: 1 month. Frozen: 6 months.
Rejection criteria:	Urine with preservatives is not acceptable.

Reference range:	Urine albumin: 0-30 mg/24 hours.
Additional information:	None.
CPT code(s):	82043
	Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided are based on AMA guidelines and are for informational purposes only.
When performed:	Daily, Monday - Sunday
Test includes:	Albumin - 24-hour urine 24-hour total volume.
Methodology:	Immunoturbidity
Synonyms:	Microalbumin, 24-hour urine
Clinical Significance:	Albumin excreted in the urine is a sensitive marker of nephropathy. It is used to screen for early renal diseases in diabetic patients.