Carbohydrate Deficient Transferrin

Also known as: CDT, CDTA.

What is carbohydrate deficient transferrin?

Carbohydrate deficient transferrin is a substance in the blood that become altered in congenital disorders of glycosylation. Therefore, a blood test of carbohydrate deficient transferrin is frequently used to diagnose one type of disorder of glycosylation.

What happens during the procedure?

A routine blood draw is required in order to perform the carbohydrate deficient transferrin test. The blood sample is then taken to a laboratory for testing and analysis.

Is any special preparation needed? 

In most cases, no special preparation is needed for the test.

What are the risk factors?

Infection, bleeding and damage to surrounding organs and tissues are potential risks of the test.


Reviewed by: Paul A Cardenas, MD

This page was last updated on: 6/21/2019 1:28:10 AM