Apolipoprotein E Genotyping

• CPT Code: 81401
• LOINC:
• Specimen Type: EDTA or ACD
• Frequency: Ambient
• Instructions: 3mL whole blood in original lavender or yellow tube, ambient. Must arrive at Mayo within 96 hrs of collection.
• Text: Useful for Determining the specific apolipoprotein E genotypes in patients with type III hyperlipoproteinemia. This test is not available for Alzheimer's disease testing or when the reason for referral indicates "dementia."
• Methodology: Polymerase Chain Reaction (PCR), Including Restriction Digest.