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Prealbumin (PA) Blood Test

The prealbumin blood test kit is used to determine the content of Prealbumin (PA) in human serum, clinically used to reflect the degree of liver injury and nutritional assessment.

Prealbumin Test Purpose

Normally, the prealbumin blood test will be conducted for following purposes:

  • Help diagnose certain liver or chronic dieases

  • Assess the nutritional status. Normally lower albumin and prealbumin levels suggest possibel protein-energy malnutrition. Thus, the prealbumin blood test is also widely used for monitoring the effects of nutritional therapy.

Prealbumin Blood Test Basic Parameters

Test time:
300 seconds
25 Tests/ Kit
Box Size:
Shelf Life:
1 year.

Prealbumin Blood Test Testing Principle

The prealbumin antibody is coated on the latex surface. The prealbumin in the sample and the antibody become immune complexes by latex agglutination reaction. The immune complexes will produce the phenomenon of light scattering which is proportional to the intensity of scattered light and samples of PA levels. Using a specific protein analyzer to measure the intensity of scattered light, the concentration of PA is determined by comparing the turbidity of samples to the standard concentration.

Prealbumin Levels Normal Range

According to the research conducted by the University of Rochester Medical Center, the normal prealbumin levels are:

"Adults: 15 to 36 milligrams per deciliter (mg/dL) or 150 to 360 milligrams per liter (mg/L)

Children: 20 to 40 mg/dL or 200 to 400 mg/L"

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