Transferrin, Carbohydrate-deficient (Alcohol Use)
Test Summary
Heavy alcohol use (defined as >4 or 5 beverages per day for two weeks or more) is commonly associated with elevated CDT levels as are certain liver diseases such as primary biliary cirrhosis and chronic active hepatitis and in some patients with genetic D variants of transferrin.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Serum samples must be fully coagulated, centrifuged within 1 hour of collection, and must not contain any particles or traces of fibrin after centrifugation. Transfer serum to a clean, plastic, screw-cap vial.
Patient Preparation
Fasting preferred
Storage
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 24 hours
- Refrigerated: 7 days
- Frozen: 90 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Gross hemolysis • Grossly lipemic • Grossly icteric
Order Code
TRANSF
EPIC (Premier) Code
LAB5223
Includes
CDT
Transferrin
% CDT
Transferrin
% CDT
CPT Code
- 82373
- 84466
Billing Code
- 670739
- 670740
CPT Statement
Methodology
Nephelometry
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Reference Range
| CDT | 28.1-76.0 mg/L | |
| Transferrin | 188-341 mg/dL | |
| % CDT | <2.5 % | |
Setup Schedule / Expected Turnaround Time
Monday - Saturday morning; Report available: Next day
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Serum samples must be fully coagulated, centrifuged within 1 hour of collection, and must not contain any particles or traces of fibrin after centrifugation. Transfer serum to a clean, plastic, screw-cap vial.
Patient Preparation
Fasting preferred
Storage
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: 24 hours
- Refrigerated: 7 days
- Frozen: 90 days
Limitations
N/A
Other Acceptable Specimens
N/A
Unacceptable Specimens
Gross hemolysis • Grossly lipemic • Grossly icteric
Result Information
Methodology
Nephelometry
Testing Laboratory
N/A
Reference Range
| CDT | 28.1-76.0 mg/L | |
| Transferrin | 188-341 mg/dL | |
| % CDT | <2.5 % | |
Setup Schedule / Expected Turnaround Time
Monday - Saturday morning; Report available: Next day