Skip to main content
CSTSetup
Dictionary · Lab

prealbumin

A protein made by the liver, measured in the blood as one marker of protein nutrition.

pree-al-BYOO-min noun

What it means

Also called transthyretin. It lasts only about two days in the blood, so it changes faster than albuminal-BYOO-minThe main protein in blood plasma, made by the liver, which holds fluid inside the blood vessels and carries drugs and hormones.Full entry when nutrition gets better or worse. Its level also falls with inflammation, infection and liver disease, so it is read together with the rest of the nutrition assessment.

At a glance

Normal range15–36 mg/dL [150–360 mg/L]; each lab sets its own reference range.
Also writtentransthyretin

Related terms

albumin

The main protein in blood plasma, made by the liver, which holds fluid inside the blood vessels and carries drugs and hormones.

malnutrition

Poor nutrition from too little, too much or the wrong balance of nutrients.

Filed under

Look up another word