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Pathology and Laboratory Medicine
Test Catalogue

​Lipoprotein A

Chemistry

Specimen Requirements​ ​

Type​
  • ​Serum
​Container
​Required Volume
  • ​Optimal Volume: 4.5 mL Full collection tube
  • Minimum Volume: 1 mL
    (Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Grounds for Rejection​

Testing Information​ ​

Availability​
  • ​Shipped weekly 
Testing Site​
  • ​Referred out by St. Paul’s Hospital Laboratory to Dynacare (Ontario)
Results Reporting​
  • Two day turnaround time by testing laboratory
Alternate Test Names​
  • ​LPa
  • LP a
​Additional Comments
  • ​Lipoprotein A [Lp(a)] is a unique lipoprotein that is structurally related to LDL, containing one apo B-100 per particle. Lp(a) also contains a carbohydrate-rich protein called apo (a) which is covalently bound to apo B-100 through a disulfide bond.  Apo(a) has significant sequence homology with plasminogen, but unlike plasminogen, it is not a protease activity.
  • Lp(a) is considered proatherogenic and prothrombotic, and it is an independent risk factor for coronary heart disease, ischemic stroke and aortic valve stenosis.
  • Serum Lp(a) is related to genetic factors, and are not affected by diet, exercise and lipid-lowering pharmaceuticals
SHR LIS Test Code​
  • ​LPOA (For Laboratory Use Only)

 

​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-693 v3

Last Modified: Friday, October 26, 2018 |
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