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Vanderbilt Pathology Laboratory Services

Test Directory



MCAD DNA ANALYSIS (CAD)

Department: Molecular Diagnostics
Test Synonym(s): Medium Chain acyl-Coenzyme A Dehydrogenase Deficiency, CAD
CPT Codes: 81400
Methodology: Direct Detection of Mutation K304E by PCR and evaluated by gel electrophoresis
Tube Type: Lavender top (EDTA)
Specimen: Whole blood, 5-10mg Chorionic Villi, 2-3 T-25 flasks-cultured cells or purified DNA (1μg)
Pediatric Requirements: 0.5 mL whole blood
Volume: 4 mL whole blood
Minimum Volume: 0.5 mL whole blood
Temperature: EDTA: room temperature or refrigerated, Chorionic Villi: refrigerate, flasks (cultured cells): room temperature or refrigerate, purified DNA: refrigerate or freeze
Stability: EDTA and citrate: room temperature: 2 days refrigerated: 3 days
Reasons for Rejection: Client will be notified by Molecular Diagnostics Lab if specimen is rejected.
Days Performed: Once a week - variable days
Times Performed: Batched
TAT: 7 - 14 days
Significance: VNTR Polymorphism in promoter region of gene
Special Instructions: Call the Molecular Diagnostics Laboratory at 615-343-8121 if additional assistance is needed regarding specimen requirements or submission or if patient has received a transfusion in the prior 2 weeks.

Click here to print the Molecular Diagnostics requisition.

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