CARBOHYDRATE DEFICIENT TRANSFERRIN FOR ALCOHOL USE

Test Documentation
Specimen Required
Draw blood in SST. Centrifuge, separate serum from cells and send 1.0 mL serum (0.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Plasma. Hemolyzed specimens.

Methodology
Quantitative Electrophoresis

Stability
Room temperature: Unacceptable; Refrigerated: 10 days; Frozen: 1 month

Reference Range
Normal: 0-1.3%; Inconclusive: 1.4.1.6%; Elevated: >=1.7%

Performed
Monday

Turnaround Time2-10 days
Test CodeCDT
CPT-4 Code (s)
82373
LOINC Codes
48495-6

Warde
Medical
Laboratory