ARUP's Laboratory Test Directory

0081055: Lipoprotein-Associated Phospholipase A2 (PLACTest)

Test Mnemonic: PLAC
Methodology: Enzyme-Linked Immunosorbent Assay

Performed: Sun, Wed, Fri

Reported: 1-4 days

Specimen Required:  
Collect: One 4 mL SST or PST.  Also acceptable: lavender (EDTA) or pink (K2EDTA).

Transport: 1 mL serum or plasma at 2-8 °C. (Min: 0.2 mL)

Remarks: Do not transport frozen.

Unacceptable Conditions: Ambient and unprocessed blood samples (EDTA whole blood).

Stability: After separation from cells: Ambient: 4 hours; Refrigerated: 1 week; Frozen: (-70°C): 6 months

Reference Interval:
0-234 ng/mL

Interpretive Data:
Patients with high lipoprotein-associated phospholipase A2 concentrations greater than or equal to 235 ng/mL are at increased risk for cardiovascular events including myocardial infarction and ischemic stroke.  The median lipoprotein-associated phospholipase A2 value for a healthy population is 235 ng/mL.

This test is performed pursuant to an agreement with diaDexus, Inc.



CPT Code(s):
83698

 

 

 
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