Also known as: PA; Tryptophan-rich prealbumin; Thyroxine-binding prealbumin; TBPA
Formal name: Transthyretin test
Related tests: Albumin; Transferrin
Why should I do it?
To help diagnose malnutrition and to monitor people at risk for poor nutrition
When should I do it?
When your doctor suspects that you are malnourished because of poor diet, HIV, or an eating disorder; when you are admitted to the hospital for surgery or certain Diseases; or when you are having parenteral (for example, intravenous) nutrition or hemodialysis
What Kind of Sample is Needed?
A blood sample drawn from a vein in the arm
Test Preparation Needed?