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

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 24 hours
Refrigerated: 10 days
Frozen -20° C: 28 days
Frozen -70° C: 167 days

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

Gross hemolysis • Gross lipemia

Methodology
Ion Mobility

Setup Schedule

Set up: Daily; Report available: 3-4 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
Cleveland HeartLab, Inc
6701 Carnegie Avenue, Suite 500
Cleveland, OH 44103-4623

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.