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Familial Hypercholesterolemia (FH) Panel
Test Code94877
CPT Codes
81405, 81406 (x2), 81407, 81479<br /> <strong>This test is not available for California, or Nevada patient testing.</strong>
Preferred Specimen
5 mL whole blood collected in an EDTA (lavender-top) or ACD (yellow-top) tube
Minimum Volume
2 mL
Instructions
Specimen stability is crucial. Store and ship room temperature immediately. Do not freeze. Send completed Clinical History Form and test results of any family member with a known pathogenic variant.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 8 days
Refrigerated: 8 days
Frozen: Unacceptable
Refrigerated: 8 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Clotted
Methodology
Next Generation Sequencing with Microarray Confirmation
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 the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Tues; Report available: 14 days from completed pre-authorization
Reference Range
See Laboratory Report
Clinical Significance
Familial hypercholesterolemia (FH) is characterized by high levels of LDL cholesterol (LDL-C). Elevated levels of LDL-C cause an increased risk for premature coronary artery disease, which can result in myocardial infarction. Individuals with FH may also develop visible lipid deposits in the tendons (tendon xanthoma) or eyes (corneal arcus).
The LDLR, APOB, and PCSK9 genes are associated with familial hypercholesterolemia. This test includes comprehensive analysis of these three genes.
The LDLR, APOB, and PCSK9 genes are associated with familial hypercholesterolemia. This test includes comprehensive analysis of these three genes.
