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HelpTest Code LAB5474 Nuclear Magnetic Resonance Lipoprotein Profile, Serum
Specimen Required
Patient Preparation:
1. Fasting overnight (12-14 hours) is required. On night before examination, evening meal should be eaten before 6 p.m. and should contain no fatty foods.
2. Patient must not consume any alcohol for 24 hours before the specimen is collected.
Collection Container/Tube: Red top (serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1.5 mL
Collection Instructions:
1. Allow isopropyl alcohol (from phlebotomy site prep) to dry thoroughly before venipuncture.
2. Centrifuge and aliquot serum into a plastic vial.
Useful For
Assessment and management of a patient's risk for atherosclerotic cardiovascular disease
Identifying residual risk that may be present in some patients on cholesterol targeting treatment
Reporting Name
NMR Lipoprotein Profile, SSpecimen Type
Serum RedSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Refrigerated (preferred) | 7 days | |
| Frozen | 14 days | ||
| Ambient | 8 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Reference Values
≥18 years:
LDL Particles:
Desirable: <1,000 nmol/L
Above Desirable: 1,000-1,299 nmol/L
Borderline high: 1,300-1,599 nmol/L
High: 1,600-2,000 nmol/L
Very high: ≥2,000 nmol/L
HDL Particles:
Male: >30 mcmol/L
Female: >35 mcmol/L
LDL Cholesterol (NMR):
Desirable: <100 mg/dL
Above Desirable: 100-129 mg/dL
Borderline high: 130-159 mg/dL
High: 160-189 mg/dL
Very high: ≥190 mg/dL
Reference values have not been established for patients younger than 18 years of age.
Day(s) Performed
Tuesday,Friday
Report Available
2 to 7 daysSpecimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83704
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| NMRLP | NMR Lipoprotein Profile, S | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 606167 | LDL Particles, S | 54434-6 |
| 606168 | HDL Particles, S | 49748-7 |
| 606169 | LDL Cholesterol (NMR), S | 2089-1 |
Forms
If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen.