Carbohydrate Deficient Transferrin, Serum

Carbohydrate Deficient Transferrin (CDT), Serum

Sample Type: Serum

Overview

Carbohydrate Deficient Transferrin (CDT) is a specialized blood test used to detect and monitor chronic alcohol consumption. CDT levels increase in individuals who consume excessive alcohol regularly over a prolonged period. This test is commonly used in clinical assessments, rehabilitation monitoring, and occupational health evaluations.

Why This Test is Done

• Detects chronic heavy alcohol intake
• Helps monitor alcohol abstinence during treatment programs
• Supports evaluation of alcohol-related liver disorders
• Assists in occupational and medico-legal assessments
• Useful in addiction recovery monitoring

Symptoms & Conditions Associated

• Alcohol dependence or abuse
• Liver dysfunction
• Behavioral or neurological changes linked to alcohol use
• Monitoring relapse in rehabilitation programs

Preparation

• No special fasting is usually required
• Inform your doctor about medications and medical history
• Avoid alcohol consumption before testing if advised by your physician

Interpretation

• Normal CDT Levels: Typically indicate no significant chronic alcohol intake
• Elevated CDT Levels: May suggest prolonged excessive alcohol consumption

Benefits of the Test

• Highly specific marker for chronic alcohol use
• Useful for long-term alcohol monitoring
• Helps assess treatment effectiveness and abstinence compliance
• Supports accurate clinical decision-making

Recommended For

• Individuals undergoing alcohol rehabilitation
• Patients with suspected alcohol-related disorders
• Occupational health screening
• Liver disease evaluation cases