Lipoprotein (a)
Test Summary
Elevated concentrations of Lp(a) are associated with increased risk of coronary artery disease.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Avoid repeated freeze/thaw cycles.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 14 days
- Frozen: 90 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in: EDTA (royal blue-top), lithium heparin (green-top), EDTA (lavender-top) or sodium heparin (green-top) tubes
Unacceptable Specimens
Gross hemolysis • Grossly lipemic • Grossly icteric
Order Code
LIPOA
EPIC (Premier) Code
LAB289
Includes
N/A
CPT Code
- 83695
Billing Code
- 670139
CPT Statement
Methodology
Immunoturbidimetric Assay
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Department
Reference Testing
Reference Range
<75 nmol/L
Cardiovascular event risk category cut points (optimal, moderate, high) are based on Tsimikas S. JACC 2017;69:692-711.
| Risk | nmol/L |
| Optimal | <75 |
| Moderate | 75-125 |
| High | >125 |
Cardiovascular event risk category cut points (optimal, moderate, high) are based on Tsimikas S. JACC 2017;69:692-711.
Setup Schedule / Expected Turnaround Time
Daily, Report available: 1 day
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Avoid repeated freeze/thaw cycles.
Patient Preparation
N/A
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 14 days
- Frozen: 90 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in: EDTA (royal blue-top), lithium heparin (green-top), EDTA (lavender-top) or sodium heparin (green-top) tubes
Unacceptable Specimens
Gross hemolysis • Grossly lipemic • Grossly icteric
Result Information
Methodology
Immunoturbidimetric Assay
Testing Laboratory
N/A
Reference Range
<75 nmol/L
Cardiovascular event risk category cut points (optimal, moderate, high) are based on Tsimikas S. JACC 2017;69:692-711.
| Risk | nmol/L |
| Optimal | <75 |
| Moderate | 75-125 |
| High | >125 |
Cardiovascular event risk category cut points (optimal, moderate, high) are based on Tsimikas S. JACC 2017;69:692-711.
Setup Schedule / Expected Turnaround Time
Daily, Report available: 1 day