Heavy alcohol use (defined as >4 or 5 beverages per day for two weeks or more) is commonly associated with elevated CDT levels as are certain liver diseases such as primary biliary cirrhosis and chronic active hepatitis and in some patients with genetic D variants of transferrin.
Serum samples must be fully coagulated, centrifuged within
1 hour of collection, and must not contain any particles
or traces of fibrin after centrifugation. Transfer serum
to a clean, plastic, screw-cap vial.
Patient Preparation: Fasting is preferred
Reported (Analytical Time)
The CPT codes provided are based on AMA guidelines and are for informational purposes only.
CPT coding is the sole responsibility of the billing party.
Please direct any questions regarding coding to the payer being billed.
Specimen Requirements: 1 mL (0.5 mL minimum) serum Transport Temperature: Refrigerated Reject Criteria: Gross hemolysis; grossly lipemic; grossly icteric Reference Range: See Laboratory Report Methodology: Nephelometry