Lp-PLA2 Activity
Test Mnemonic
PLAA2
CPT Codes
- 83698 - QTY (1)
Aliases
- Lipoprotein-associated Phospholipase A2
- Lp-PLA2 Activity Assay
Includes
- Lp-PLA2 Activity
Performing Laboratory
LabCorp
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Serum | SST (Gold) | Refrigerated | Separate serum from cells ASAP or within 2 hours of collection and transfer to standard aliquot tube. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Serum | No additive (Red) | Refrigerated | Separate serum from cells ASAP or within 2 hours of collection and transfer to standard aliquot tube. | |
| 0.5 mL | Plasma | EDTA (Lavender) | Refrigerated | Separate plasma from cells ASAP or within 2 hours of collection and transfer to standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 14 days |
| Ambient | 24 hours |
| Frozen | 18 months |
Days Performed
Varies
Turnaround Time
3 - 5 days
Methodology
| Name | Description |
|---|---|
| Spectrophotometric, Enzymatic Assay |
Reference Range
| Lp PLA2 Activity | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Reduced Risk: <225 nmol/min/mL | Increased Risk: ≥225 nmol/min/mL |
Special Info
Fasting is not required. Hemolyzed or lipemic specimens will be rejected.
Clinical Info
This test is useful in conjunction with clinical evaluation and patient risk assessment as an aid in predicting risk of coronary heart disease (CHD) in patients with no prior history of cardiovascular events.