Prealbumin

Prealbumin (transthyretin) is a protein made by the liver that helps transport thyroid hormones and vitamin A. It is used as a sensitive marker of nutritional status and liver function.

Category: Liver Function

Also known as: prealbumin, transthyretin, ttr, pre-albumin

Reference range: 20–40 mg/dL (Source: ABIM)

Standard unit: mg/dL

High values may indicate

High prealbumin may indicate corticosteroid use, Hodgkin's disease, or kidney dysfunction causing impaired excretion.

Low values may indicate

Low prealbumin may indicate malnutrition, liver disease, inflammation, infection, or hyperthyroidism.

Source: MedlinePlus, U.S. National Library of Medicine

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