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Laboratory Test Directory

Carbohydrate Deficient Transferrin

Components

Name Method Department Units
Carbohydrate Def Transferrin Mass spectrometry
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Battery Members

Mono-oligo/Di-oligo Ratio, A-oligo/Di-oligo Ratio, Tri-sialo/Di-oligo Ratio, Apo-CIII 1/Apo-CIII 2 ratio, Apo CIII 0/Apo CIII 2 ratio, Interpretation

Specimen Requirements

Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 0.1 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 0.1 mL
Stability

Room temperature - 7 day(s)
Refrigerated - 28 day(s)
Frozen - 45 day(s)

Specimen Preparation

  • Centrifuge within 2 hours, separate supernatant and freeze

Reasons for Rejection

  • Wrong collection tube
  • Gross hemolysis

Comments

Patient's age and reason for referral are required. This test is for congenital disorders of glycosylation. If the ordering physician is looking for evaluation of alcohol abuse, please order MAYO test #82425 "Carbohydrate Deficient Transferrin, Adult, Serum." If n-glycan testing is wanted as well, please send to Emory and order N-glycan and Transferrin Panel (BCDGP).

CPT Code

  • 82373