BUN/Creatinine Ratio Test – Largo, MD

What this test is

The BUN/Creatinine Ratio test evaluates the relationship between blood urea nitrogen (BUN) and creatinine levels. Both BUN and creatinine are waste products filtered out of the blood by the kidneys.

What it measures

• Blood Urea Nitrogen (BUN) — reflects protein breakdown and kidney filtration
• Creatinine — reflects muscle metabolism and kidney filtration

What the test involves

This test requires a standard blood draw, where a healthcare professional will collect a sample of your blood from a vein, typically in your arm.

Why it is often ordered

Clinicians often order this test to help evaluate kidney function and detect potential kidney problems. It can also provide clues about other conditions affecting the body.

Preparation

Before your test, follow any specific instructions provided by the laboratory. This may include fasting or avoiding certain foods or medications.

How results are reported

Your results will indicate the calculated ratio between your BUN and creatinine levels. Reference ranges for this ratio can vary significantly between laboratories.

Requesting this test in Largo, MD

Largo is a smaller community in Mid-Atlantic, and residents here have stable access to clinical laboratory services. The Mid-Atlantic region offers a dense corridor of towns and boroughs where providers are rarely far away.

Instead of calling around, you can compare tests here, then request a draw in the Largo area at a time that works for you.

Confidentiality is built in — orders are private and results are accessed securely. Because individual collection sites differ, double-check the lab's own instructions on preparation, timing, and cost.

Before you go

• Specific preparation instructions
• Estimated turnaround time
• How to schedule your blood draw