BUN

What this laboratory test evaluates

DetailsBUN (Blood Urea Nitrogen) is a blood test that measures the amount of urea nitrogen, a waste product formed in the liver when protein is metabolized and excreted by the kidneys.

What type of sample is required for this test?Serum

Test ResourcesFor more information, please consult your healthcare provider.

Additional test information

BUN (Blood Urea Nitrogen) is a blood test that measures the amount of urea nitrogen, a waste product formed in the liver when protein is metabolized and excreted by the kidneys.

Collection and processing

• Sample type: Serum
• Fasting: No
• Estimated laboratory processing: Results should arrive 1 – 2 business days after the lab receives samples.

How Sunridge uses laboratory information

Sunridge considers the medical question, symptoms, history, medications, prior results, and whether the finding could change care before recommending testing. A laboratory result is not interpreted in isolation and does not establish a diagnosis by itself.

Before requesting this test

Availability, collection requirements, eligibility, and processing estimates can change. Sunridge reviews each request and, when appropriate, creates the order through Fullscript. Follow the current instructions supplied with the approved order.