TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: CDGN    
Congenital Disorders of N-Glycosylation, Serum

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

When this test is ordered, carbohydrate deficient transferrin for congenital disorders will always be performed at an additional charge.

Specimen Type Describes the specimen type validated for testing

Serum

Advisory Information

This test is for congenital disorders of glycosylation. For evaluation of alcohol abuse, order CDTA / Carbohydrate Deficient Transferrin, Adult, Serum.

Necessary Information

1. Patient’s age is required.

2. Reason for testing is required.

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Collection Container/Tube: 

Preferred: Red Top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 0.15 mL

Special Instructions Library of PDFs including pertinent information and forms related to the test

Forms

Biochemical Genetics Patient Information (T602) in Special Instructions

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.1 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
SerumRefrigerated (preferred)91 days
 Ambient 91 days
 Frozen 91 days