Case 2-1
A 52-year-old female with a 25-year history of type 1 diabetes mellitus submits a 24-hour urine collection for testing. A blood sample was also collected when she brought the urine specimen to the lab. The following information and results are obtained:
Patient Information
Height: 5'5" (165 cm)
Weight: 160 lb (72.7 kg)
Results
Creatinine, serum: 2.3 mg/dL
Urine volume, 24 hour: 1000 mL
Creatinine, urine: 190 mg/dL
Albumin, urine: 9.5 mg/dL
Reference Values
0.8-1.3 mg/dL
600-1800 mL/day
varies with hydration
varies with hydration
3. Calculate the albumin excretion in milligrams per day (mg/day).
4. Calculate the albumin excretion in micrograms per minute (ug/min).
5. Calculate the urine albumin-to-creatinine ratio in micrograms albumin per milligram of creatinine (ug albumin/mg creatinine).