Microalbumin (Urine) (ACR)
Clinical Biochemistry
Sample and container requirements
Plain Spot Urine
Minimum volume required
500 µL
Special requirements
None
Patient preparation
None
Sample viability
Turnaround time
This assay is run throughout the day and night. The in-lab turnaround time is normally less than 24 hours.
Reference range
Females: <3.5 mg/mmol creatinine Males: <2.5 mg/mmol creatinine NB: reference range only applicable in patients with diabetes mellitus
Clinical guidance
Please refer to LabTestsOnlineUK to learn more about microalbumin. https://labtestsonline.org.uk/tests/urine-albumin-creatinine-ratio-or-acr
Notes
Images to go here
This information was last updated on 19 August 2026