Test Overview
Test Methodology
Affinity Chromatography / Mass Spectrometry
Test Usage
Evaluation of alcohol abuse. Carbohydrate Deficient Transferrin (CDT) testing alone is not recommended for general screening for alcoholism. The transferrin isoform pattern in patients with chronic alcoholism is similar, although not as strikingly abnormal to that observed in Congenital Disorders of Glycosylation (CDG). Conditions such as hereditary fructose intolerance, galactosemia, and other genetic or non-genetic causes of liver disease may also result in increased levels of CDT.
Reference Range *
Mono-oligo/Di-oligo Ratio < or = 0.10
Test Details
Days Set Up
Wednesday
Analytic Time
6 - 12 days
Soft Order Code
CDT
MiChart Code
CDT
Synonyms
- Carbohydrate Def Transferrin
- CDT
- Mono-oligo/Di-oligo Ratio
- Mono-oligosaccharide/Di-oligosaccharide transferrin ratio
Laboratory
Sendout
Reference Laboratory
Mayo CDTA (82425)
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect specimen in red top or SST tube. Centrifuge, aliquot serum into a plastic vial and freeze.
Normal Volume
0.5 mL serum
Minimum Volume
0.1 mL serum
Additional Information
Test sent to Mayo Medical Laboratories.
Billing
CPT Code
82373
Fee Code
32068
LOINC
35469-6
NY State Approved
No