Ordering Recommendation

Identify alcohol abuse or abuse relapse. 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



No compliance statements are in use for this test.

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