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16985: Transferrin, Carbohydrate-deficient (Alcohol Use) Print View
CDT     mg/L 
Transferrin     mg/dL 
% CDT     % 

PRIMARY
1 Serum Red Top 1 (0.5) mL   Refrigerated - 7 Day(s)/Room Temperature - 24 Hour(s)/Frozen - 3 Month(s)  
ALTERNATE
  Serum Separator Tube 1 (0.5) mL   Refrigerated - 7 Day(s)/Room Temperature - 24 Hour(s)/Frozen - 3 Month(s)  

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
Setup Schedule
Monday-Saturday

Reported (Analytical Time)
Next day

CPT Codes
82373,84466

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.

Notes
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






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