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Carbohydrate Deficient Transferrin, Adult

Test Codes

EPIC: LAB7589, Beaker: XCDTADLT, MAYO: CDTA

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.
Also acceptable: One Gold-top SST tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and freeze (-20°C/-4°F or below).

Preparation for Courier Transport

Transport: 0.1 mL serum, frozen (-20°C/-4°F or below). (Minimum: 0.05 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to plastic transport tube and freeze (-20°C/-4°F or below).

Transport: 0.1 mL serum, frozen (-20°C/-4°F or below). (Minimum: 0.05 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 28 days
Frozen (-20°C/-4°F or below): 45 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Performed

Wednesday.
Results available in 8-11 days.

Reference Range

By report.

Test Methodology

Affinity Chromatography/Mass Spectrometry (MS).

Interpretation

By report.

Clinical Utility

This test is to be used as an indicator of chronic alcohol abuse. This test is not appropriate for screening patients for congenital disorders of glycosylation.

CPT Codes

82373

Contacts

Last Updated

9/4/2024