Ordering Recommendation
Use to identify alcohol abuse or abuse relapse and detect chronic ethanol use (≥40 g/day for 2 weeks). For evaluation of patients suspected of having congenital glycosylation disorder, refer to Carbohydrate Deficient Transferrin for Congenital Disorders of Glycosylation (CDG) (2002918).
Mnemonic
CDT
Methodology
Quantitative Electrophoresis
Performed
Mon
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
Compliance Category
FDA
Note
This assay can detect chronic ethanol use (greater than 40 g/day for two weeks).
Hotline History
N/A
CPT Codes
82373
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0070412 | CDT for Alcohol Use | 48495-6 |
* 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.
Aliases
- Alcohol consumption bio-marker
- CDT
- CDT for alcohol use
- CDT, alcohol use
- Serum Carbohydrate Deficient Transferrin, alcohol use
- Transferrin
Carbohydrate Deficient Transferrin for Alcohol Use