Albumin, 24‑Hour Urine with Creatinine
Use
Albumin excreted in the urine (Microalbumin) is a sensitive marker of nephropathy. It is used to screen for early renal disease, particularly in diabetic patients.
Special Instructions
Specify total volume of 24‑hour collection on both the container and test requisition. Avoid exercise for 24 hours prior to collection; note collection instructions regarding potential elevation factors (e.g., exercise, infection, fever, CHF, hyperglycemia, hypertension). Refrigerate collection during and after.
Limitations
Not provided.
Methodology
Other
Biomarkers
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
5 mL urine aliquot
Minimum Volume
2 mL
Container
plastic leak‑proof container
Collection Instructions
24‑hour urine collection; specify 24‑hour total volume on container and test requisition; refrigerate during collection
Patient Preparation
Avoid exercise for 24 hours prior to specimen collection
Causes for Rejection
Acid preserved urine
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 7 days |
| Frozen | 28 days |