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Cardio IQ® Lipoprotein Fractionation, Ion Mobility : 91604
Test CodeLPFRAQ or 91604
CPT Codes
83704
Includes
LDL Particle Number; LDL Small; LDL Medium; HDL Large; LDL Pattern; LDL Peak Size
Instructions
Fasting preferred. Non-fasting acceptable.
Transport Container
Specimen
1 mL serum
Minimum Volume
0.25 mL
1 mL serum
Minimum Volume
0.25 mL
Transport Temperature
Refrigerated.
Specimen Stability
Room temperature: 24 hours; Refrigerated: 7 days; Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, Grossly lipemic
Methodology
Ion Mobility
Setup Schedule
Monday - Saturday
Report Available
1-2 days (From receipt at performing laboratory)
Limitations
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.
Reference Range
See Laboratory Report
Clinical Significance
There is a correlation between increased risk of premature heart disease with decreasing size of LDL particles. Ion mobility offers the only direct measurement of lipoprotein particle size and concentration for each lipoprotein from HDL3 to large VLDL.
Performing Laboratory
Quest Diagnostics
