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HelpTest Code LAB1231819 Carbohydrate Deficient Transferrin, Adult, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Carb Def Transferrin, Adult, SSpecimen Type
SerumOrdering Guidance
This test is for evaluation of alcohol abuse. If the ordering physician 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
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 45 days | |
| Refrigerated | 28 days | ||
| Ambient | 7 days |
Specimen Minimum Volume
0.05 mL
Day(s) Performed
Wednesday
Specimen Retention Time
1 monthReport Available
3 to 9 daysReference Values
≤0.10
0.11-0.12 (indeterminate)
Useful For
Indicating chronic alcohol abuse
This test is not appropriate for screening patients for congenital disorders of glycosylation.
CPT Code Information
82373
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CDTA | Carb Def Transferrin, Adult, S | 53803-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 31714 | Mono-oligo/Di-oligo Ratio | 35469-6 |
| 31715 | Interpretation | 59462-2 |
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.