ApoE Genotype

Test Code

94289

CPT Codes
81401<br /> Limited Access Code

Preferred Specimen

8 mL whole blood collected in an EDTA (lavender-top) tube

Minimum Volume

6 mL

Instructions

Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Note: Higher blood volumes ensure adequate DNA quantity, which varies with WBC, specimen condition, and need for confirmatory testing. DNA yields and quality are better in fresh specimens. However, when necessary, most genetic tests are successful from DNA purified from whole blood that is several days old.

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 10 days
Refrigerated: 10 days
Frozen: Call lab

Methodology
Restriction Fragment Length Polymorphism

FDA Status
This test was developed and its analytical performance characteristics have been determined by Athena Diagnostics. It has not been cleared or approved by the FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Varies; Report available: 14-21 days

Reference Range

Presence of ApoE2, E3, E4 alleles

Clinical Significance

Detection of ApoE2, E3, E4 alleles.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.