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HelpTest ID CDTA Carbohydrate Deficient Transferrin, Adult, Serum
Useful For
Indicating chronic alcohol abuse
This test is not appropriate for screening patients for congenital disorders of glycosylation.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumOrdering Guidance
This test is for evaluation of alcohol abuse. If the ordering healthcare professional is looking for congenital disorders of glycosylation, order CDG / Carbohydrate Deficient Transferrin for Congenital Disorders of Glycosylation, Serum.
Necessary Information
1. Patient's age is required.
2. Reason for testing is required if patient is younger than 21 years.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.1 mL Serum
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 45 days |
| Refrigerated | 28 days | |
| Ambient | 7 days |
Reference Values
≤0.10
0.11-0.12 (Indeterminate)
Day(s) Performed
Wednesday
CPT Code Information
82373
Report Available
3 to 9 daysReject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.