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Test ID:
CDGT
Carbohydrate Deficient Transferrin (CDT) for Congenital Disorders of Glycosylation (CDG), Serum
Test Overview
Clinical Utility
This Carbohydrate-deficient transferrin (CDT) assay is intended for diagnosis of congenital disorders of glycosylation (CDG). CDT analysis for evaluation of alcohol use is also available: Carbohydrate-deficient Transferrin (CDT) (Alcohol Use), Serum.
Method
High performance liquid chromatography-UV detection (HPLC-UVD)
Result Included
CDG Transferrin
Aliases/Synonyms
CDG Evaluation; CDT for CDG
Specimen
Specimen Type
SerumContainers
Preferred Containers
SST (Gold Top)
Acceptable Containers
No Additive (Red Top)
Volume
Sample Volume
0.5 mL
Minimum Volume
0.25 mL
Collection & Handling
Handling Information
Separate within 1 hour and freeze immediately. Store and send frozen.
Stability
| Ambient | Refrigerated |
|---|---|
| Not Acceptable | Not Acceptable |
If the specimen thaws, it is unsuitable for analysis.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Specimen | Not frozen |
Performance & Interpretation
Turnaround Time
23 days
Results
Name
Units
Reference Range
Conversion
-
CDG TransferrinNoneInterpreted on Report
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| CDGT | CDG Transferrin, Serum | 62600 | |
| CDG Transferrin Comment | 65654 |
Test Version
Last Updated
2024-08-07