Albumin to Total Protein Ratio (Serum)

Why This Test Matters

Albumin is a key protein produced by your liver that helps maintain fluid balance and supports immune function. Total protein includes albumin plus other proteins like globulins. When albumin levels drop (hypoalbuminemia), it may signal conditions like kidney disease, liver problems, or malnutrition. This ratio helps doctors evaluate whether protein loss or retention is occurring.

What to Expect Before the Test

No special preparation is needed. You may have blood drawn from a vein in your arm, similar to other blood tests. Tell your doctor if you’re on blood thinners or have a history of bleeding issues.

Common Conditions Monitored

This test is often used to monitor kidney function (e.g., nephrotic syndrome), liver disease, malnutrition, or chronic inflammation. It may also help assess protein-losing conditions like gastrointestinal disorders or connective tissue diseases.

What the Results Mean

Results are typically expressed as a ratio (e.g., 0.6–1.0). A lower ratio may indicate excessive protein loss (e.g., in kidney disease) or reduced protein production (e.g., liver failure). A higher ratio could suggest dehydration or overproduction of globulins.