LabCorp Carbohydrate-deficient Transferrin (CDT), Adult

Description

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Please note that this blood test  is intended for evaluation of alcohol abuse. CDT measurement is very useful in identifying alcohol consumption that may be considered abusive. Abusive alcohol consumption is  defined  as consumption of  40mL of Alcohol (Ethanol) per day for at least two weeks. CDT levels decline and level off to normal levels in a few weeks after alcohol intake is stopped

Serum, frozen

The Carbohydrate-deficient Transferrin (CDT) blood test is a specific laboratory test offered by LabCorp. It is primarily used as a biomarker to assess chronic alcohol consumption. CDT is a specific variant of the transferrin protein that can be altered by excessive alcohol intake over an extended period.

Here are some key points about the LabCorp CDT blood test:

1. Purpose: The CDT test is used to evaluate and monitor alcohol use in individuals. It is particularly helpful in assessing chronic alcohol consumption over an extended period, usually the past two to four weeks.
2. Sample Collection: The CDT blood test requires a blood sample to be collected. A healthcare professional will draw blood from a vein, usually from the arm.
3. Detection of CDT Levels: The test measures the concentration of CDT in the blood sample. Higher levels of CDT indicate a greater likelihood of chronic alcohol use.
4. Interpretation of Results: The results are typically reported as a percentage or ratio of CDT to total transferrin in the blood. The specific cutoff values for determining abnormal or elevated CDT levels may vary depending on the laboratory’s reference range.
5. Limitations: While the CDT blood test is a useful tool for assessing chronic alcohol use, it is not suitable for detecting recent or acute alcohol consumption. It is best used as part of a comprehensive assessment along with other clinical information.
6. Clinical Application: The CDT blood test is commonly utilized in various healthcare settings, such as addiction medicine, behavioral health, and occupational health. It can aid in treatment planning, monitoring abstinence, and identifying individuals at risk for alcohol-related complications.

It’s important to note that the interpretation of CDT test results should be done by a qualified healthcare professional. They can consider other clinical information, such as patient history and additional laboratory tests, to provide a comprehensive assessment.

For more specific details about the LabCorp CDT blood test, including sample requirements, reference ranges, and result interpretation, it is recommended to consult with LabCorp directly or speak with a healthcare provider who can provide personalized information based on your specific circumstances.