Carbohydrate Deficient Transferrin for Alcohol Use
0070412
Ordering Recommendation
Identify alcohol abuse or abuse relapse; will detect chronic ethanol use (≥40 g/day for 2 weeks).
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Mnemonic
CDT
Methodology
Quantitative Electrophoresis
Performed
Tue
Reported
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube or plain red.  
Specimen Preparation
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
Plasma. Hemolyzed specimens.  
Remarks
 
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: 10 days; Frozen: 1 month  
Reference Interval
Effective May 16, 2011
Normal 0-​1.3%
Inconclusive 1.4-​1.6%
Elevated Greater than or equal to 1.7%
Interpretive Data
This test is not suitable for the evaluation of patients suspected of having congenital glycosylation disorders.
Note
This assay can detect chronic ethanol use (greater than 40 g/day for two weeks).
CPT Code(s)
82373
Components
Component Test Code*Component Chart Name
0070412CDT for Alcohol Use
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • Alcohol consumption bio-marker
  • CDT
  • CDT for alcohol use
  • CDT, alcohol use
  • Serum Carbohydrate Deficient Transferrin, alcohol use
  • Transferrin