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0070412
Carbohydrate Deficient Transferrin for Alcohol Use
CDT
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).
New York DOH Approval Status
This test is New York state 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
Methodology
Quantitative Electrophoresis
Performed
Thu
Reported
1-8 days
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
- CDT, alcohol use
- Serum Carbohydrate Deficient Transferrin, alcohol use
- CDT for alcohol use
- Alcohol consumption bio-marker
- CDT
- Transferrin
Carbohydrate Deficient Transferrin for Alcohol Use
