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).


Quantitative Nuclear Magnetic Resonance Spectroscopy/ Quantitative Enzymatic/ Detergent Solubilization




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.


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; allow to clot at room temperature. Separate from cells within 8 hours. Transfer 4 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: 2 mL)

Storage/Transport Temperature


Unacceptable Conditions

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


Ambient: 24 hours; Refrigerated: 2 weeks; Frozen: Unacceptable

Reference Interval

By report

Interpretive Data

Compliance Category

Laboratory Developed Test (LDT)


Refer to the Test Mix Addendum for interface build information.

Hotline History
CPT Codes

83704; 80061

Component Test Code* Component Chart Name LOINC
2001895 Total Cholesterol 2093-3
2001899 Triglycerides 2571-8
2001900 HDL Cholesterol 2085-9
2001901 LDL Cholesterol, Calc 13457-7
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
2013762 EER LipoFit by NMR 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.
  • Cholesterol (NMR LipoProfile Test)
  • Expanded (NMR LipoProfile Test)
  • FNMR (NMR LipoProfile Test)
  • HDL Particle
  • LDL Particle
  • Lipid Particle Concentration
  • Lipid Particle Size
  • Lipid Profile, NMR
  • LipoMed (NMR LipoProfile Test)
  • Lipoprotein Analysis (LDL-P, HDL-P, VLDL-P, LDL Size, HDL Size, VLDL Size)
  • Lipoprotein Particle
  • VLDL Particle
LipoFit by NMR