Low-Density Lipoprotein Particle Number LDL Particle Count
Test Includes
LDL-P
Methodology
Nuclear Magnetic Resonance (NMR)
Rejection Criteria
Gross hemolysis Gross lipemia High triglyceride levels may cause certain particles to be non-reportable Samples collected in NMR (Greiner) collection tubes
Reference Range(s)
By Report
Specimen Requirements
Preferred Specimen
Plain Red Top Tube
Minimum Volume
2 mL Serum
Sample Stability
Unacceptable room temperature 7 days refrigerated 10 days frozen
Transport Temperature
Critical Refrigerated (CRF)
Collection Instructions
Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Critical refrigerate (CRF). Patient should be fasting for 10-12 hours prior to collection.