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Test Code
CARLF
Test Name
Lipoprotein Fractionation Cardio IQ
CPT Codes
83704
Included Tests
  • LDL Particle Number
  • LDL Small
  • LDL Medium
  • HDL Large
  • LDL Pattern
  • LDL Peak Size
Expected Turnaround Time
3 - 4 days
Clinical Utility
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.
Specimen and Container Info

Specimen Type: Serum

Collection Container: Gold Top, Serum Separator

Desired Specimen Volume: 1 mL
Collection Instructions
  1. Collect a gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 1 mL of serum to a clear aliquot tube (screw cap).
Patient Preparation

Fasting preferred, but not required.
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

24 hours

Refrigerated

10 days

Frozen

Frozen -20° C: 28 days

Frozen -70° C: 5.5 months
Causes for Rejection
  • Gross hemolysis
  • Grossly lipemic
Methodology
Ion Mobility Spectrometry
Reference Intervals

See patient report.
Reference Lab
Quest Diagnostics Nichols Institute
Testing Schedule
Varies
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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