AALP Apolipoprotein C4

Test Code

37867

Preferred Specimen

Red Top

Minimum Volume

0.5 mL

Instructions

1. Collect and label sample according to standard protocols.
2. Gently invert tube 5 times immediately after draw. Do not shake.
3. Allow blood to clot for 30 minutes.
4. Centrifuge for 10 minutes.
5. Store serum at 2-8° C after collection and ship the same day.

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 21 days
Frozen: 21 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Lipemia

Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

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

Setup Schedule

Every other day

Reference Range

Male	0.29-1.10 nmol/L
Female	0.43-1.43 nmol/L

Clinical Significance

Proteomic analysis of HDL isolated from healthy subjects and subjects with coronary artery disease shows HDL ApoC4 is enriched in coronary artery disease when compared to control subjects [1].

References
1. Vaisar T, et al. 2007;117(3):746-756. doi:10.1172/JCI26206

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.