Carbohydrate Deficient Transferrin (CDT), for Congenital Disorders of Glycosylation, Pediatric, Serum


Sunquest Code:CDEFTR  
Epic Code:LAB7021Epic Name:Carbohydrate Deficient Transferrin
Synonyms:Carbohydrate Deficient Glycoprotein Syndrome; CDG
Methodology:Affinity chromatography/Mass spectrometry
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 5-13 days.
Special Instructions:Patient's age and reason for referral is required.
Compliance:

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.



Collection Instructions

Specimen:Blood
Optimal Volume:0.3 mL
Minimum\Peds Volume:0.3 mL
Container:Red or gold (gel) (Red (no gel))


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 0.1 mL, 0.05 mL minimum. Include age of patient on request form. Store in freezer.
Shipping Instructions:Ship on dry ice.
Stability:1 week at room temperature; 28 days refrigerated; 45 days frozen.
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories via ARUP)
Referral Lab number:2002918


Interpretive

Reference Range:By report.
Use:Screening test for congenital disorders of glycosylation. A positive test could be due to a genetic or non-genetic condition. Additional confirmatory testing is required.


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