Cardio IQ® Lipoprotein Fractionation, Ion Mobility [91604]

Message
For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.


Test Code
LIPION


Alias/See Also
91604


CPT Codes
83704

Includes
LDL Particle Number
LDL Small
LDL Medium
HDL Large
LDL Pattern
LDL Peak Size


Preferred Specimen
1 mL serum


Patient Preparation
Fasting preferred, but not required

Minimum Volume
0.25 mL


Transport Container
Plastic screw-cap vial


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days


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


Methodology
Ion Mobility

Setup Schedule
Set up: Mon-Sat; Report available: 4 days


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 Nichols Institute-San Juan Capistrano, CA
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042



Last Updated: November 24, 2021


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.