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CARBOHYDRATE-DEFICIENT TRANSFERRIN
Number 86
CPT Code 82373
Alias CDT
Specimen Container SST
Specimen Type Serum
Turn Around Time
Days Performed
Reference Range <1.4%
Alternate Specimen
Volume 1 mL Serum
Stability Ambient 2 Days
Stability Refrigerated 2 Days
Stability Frozen 7 Days
Patient Preparation
Methodology
Capillary electrophoresis (CE)
Limitations
This test is not suitable for the evaluation of patients suspected of having CDG syndrome (congenital disorders of glycosylation), genetic variants of transferrin, some monoclonal component, or high polyclonal increases, liver injuries (cirrhosis due to chronic alcohol abuse, end-stage disease).
Rejection Criteria
Fibrinogen present in sample; hemolyzed specimen; aged and improperly stored specimen; anticoagulated specimen (citrate, EDTA); presence of genetic variants of transferrin
Additional Instructions
Performing Laboratory Reference Laboratory
TagsCDT, DCDT, DIASIALOTRANSFERRIN, ISOFORMS, TRANSFERIN