Lipoprotein (a)
Test Mnemonic
LPA
CPT Codes
- 83695 - QTY (1)
LOINC ®
43583-4
Aliases
- Lp(a)
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Allow specimen to clot completely at room temperature. Recommended to separate serum from cells within 2 hours of collection. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) | Allow specimen to clot completely at room temperature. Recommended to separate serum from cells within 2 hours of collection and transfer to standard transport tube. | ||
| 1 mL | Plasma | Lithium heparin PST (Lt. Green) | Recommended to separate serum from cells within 2 hours of collection. | ||
| 1 mL | Plasma | Lithium heparin (Green) | Recommended to separate serum from cells within 2 hours of collection and transfer to standard transport tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 1 day |
| Refrigerated | 5 days |
| Frozen | 9 weeks |
Days Performed
Mon - Fri
Turnaround Time
1 - 4 days
Methodology
| Name | Description |
|---|---|
| Immunoturbidometric Assay |
Special Info
Freshly drawn serum from a fasting individual is preferred.
Clinical Info
Evaluation of coronary artery disease risk associated with elevations of the athrogenic lipoprotein (a)
Clinical Limitation
This test uses the Tina-quant Lipoprotein (a) Gen.2 Molarity assay. Results determined using different lipoprotein(a) assays cannot be used interchangeably.