Ordering Recommendation

Use in appropriate high-risk patients (eg, type 2 diabetes mellitus) in whom LDL particle number is being used to guide therapy. Not recommended for cardiovascular disease risk assessment in most individuals; preferred test is Lipid Panel (0020421).

Mnemonic
NMRLIPFITP
Methodology

Quantitative Nuclear Magnetic Resonance Spectroscopy

Performed

Sun-Sat

Reported

3-6 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation

Fast 12 hours prior to collection.

Collect

Greiner Bio-One Clot Activator Tube (ARUP supply #54325). Available online through eSupply using ARUP Connect ™ or by contacting ARUP Client Services at (800) 522-2787. Also acceptable: Plain Red.

Specimen Preparation

Gently invert tube to mix contents and allow to clot at room temperature. Separate serum from cells within 8 hours. Transfer 2 mL serum to an ARUP Standard Transport Tube with "ARUP NMR Serum" label (ARUP supply #55652). Labels are available online through eSupply using ARUP Connect ™ or by contacting ARUP Client Services at (800) 522-2787. (Min: 1 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Plasma. Serum separator tubes other than Greiner Bio-One. Non-fasting or lipemic specimens.

Remarks
Stability

Ambient: 2 days; Refrigerated: 1 month; Frozen: Unacceptable

Reference Interval

By Report

Interpretive Data



Compliance Category

Laboratory Developed Test (LDT)

Note

Refer to the Test Mix Addendum for interface build information.

Hotline History
N/A
CPT Codes

83704

Components
Component Test Code* Component Chart Name LOINC
2013717 HDL Particle Size, NMR 62253-0
2013718 VLDL Particle Size, NMR 62254-8
2013719 LDL Particle Size, NMR 17782-4
2013720 Large HDL Particle Number, NMR 43729-3
2013721 HDL Particle Number, NMR 49748-7
2013722 Large VLDL Particle Number, NMR 43728-5
2013723 Small LDL Particle Number, NMR 43727-7
2013724 LDL Particle Number, NMR 54434-6
2013763 EER LipoFit by NMR, Particle Count Only 11526-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • HDL Particle
  • HDL Size
  • LDL Particle
  • Lipid Particle Concentration
  • Lipid Particle Size
  • Lipid Profile, NMR
  • Lipoprotein Particle
  • VLDL Particle
  • VLDL Size
LipoFit by NMR, Particle Count Only