APOLIPOPROTEIN E GENOTYPE (FOR ALZHEIMER)

Components
Detection of Apo E2, E3, and E4 alleles

Specimen Required
Draw blood in a lavender EDTA tube. Send 10.0 mL whole blood (4.0 mL minimum) at room temperature. Send samples to Warde Medical Laboratory Sunday-Thursday, within 24 hours of collection. Testing not performed on patients <18 years of age.

Alternate Specimen
Buccal swabs

Methodology
Restriction Fragment Length Polymorphism (RFLP)

Stability
Room temperature: 10 days; Refrigerated: 10 days; Frozen: 90 days

Reference Range
By report

Performed
Monday, Friday

Turnaround Time15-20 days
Test CodeAPOEG
CPT-4 Code (s)
81401
ZB08V
LOINC Codes
42315-2

Warde
Medical
Laboratory