| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Lipoprotein (a)
Test Code34604
Alias/See Also
LAB563
APOLIPOPROTEIN
LPA
APOLIPOPROTEIN
LPA
CPT Codes
83695
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top), EDTA (royal blue-top) or heparin (green-top) tube
Transport Container
Serum separator tube (SST)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 90 days
Refrigerated: 14 days
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Immunoturbidimetric
Setup Schedule
Sun, tues, thurs
Report Available
3-6 days
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.
Clinical Significance
Elevated concentrations of Lp(a) are associated with increased risk of coronary artery disease.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |