
Urea, 24 Hour Urine
Access Medical Labs
Sample type: Urine
Requires fasting: No
At home test
Details
Urea, 24-Hour Urine measures the total amount of urea nitrogen excreted in the urine over a full day. It is used in the diagnosis and treatment of certain renal and metabolic diseases.
- Urea Nitrogen, 24 Hr Urine
Estimated days for results: Results should arrive 2 business days after the lab receives samples.
Details
Urea, 24-Hour Urine measures the total amount of urea nitrogen excreted in the urine over a full day. It is used in the diagnosis and treatment of certain renal and metabolic diseases.
What type of sample is required for this test?
Urine
Test Resources
For more information, please consult your healthcare provider.
2 business days
DO NOT drink excessive water before the test.
This is a 24-hour collection. You will start with your second urination of the day, and collect all urine for the next 24 hours. Record the total volume before pouring off a sample to be shipped back to the lab for testing.
Sample collection requires a test kit that will be shipped to you. You will collect your sample at home.
If you have ordered additional Access Medical Labs tests, YOU MUST ship all of your samples together.
Specimen
- Preferred Specimen(s): 10 mL urine
- Alternative: NA
- Minimum Volume: 10 mL
- Collection Instructions: NA
Storage and shipping instructions
- Transport Container: ACD (yellow-top) tube; Preservative-free urine collection container
- Transport Temperature: Refrigerated (Cold Packs)
- Specimen Stability:
- Refrigerated: 4 days
- Reject Criteria: NA
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island




