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HelpTest Code LIPA1 Lipoprotein(a), Serum
Additional Codes
CNE Order Code: Lipo(a)
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL Serum
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
Useful For
Cardiovascular disease risk refinement in patients with moderate or high risk based on conventional risk factors or patients with clinical suspicion of residual cardiovascular risk not identified by other lipid parameters
Method Name
Immunoturbidimetric Assay
Reporting Name
Lipoprotein(a), SSpecimen Type
SerumSpecimen Minimum Volume
Serum: 0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 30 days | |
| Ambient | 24 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
Reference Values
≥18 years: <75 nmol/L
Reference values have not been established for patients who are younger than 18 years.
Interpretation
Lipoprotein (a) concentrations of 75 nmol/L and above are linearly related to increased risk of cardiovascular events independent of conventional risk markers.
Values ≥75 nmol/L may suggest increased risk of coronary heart disease.
Values ≥125 nmol/L are considered a risk-enhancing factor for cardiovascular disease by several professional societies. Clinician-patient discussion of therapeutic strategy is warranted.
Day(s) Performed
Monday through Sunday
Report Available
1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83695
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| LIPA1 | Lipoprotein(a), S | 43583-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| LIPA1 | Lipoprotein(a), S | 43583-4 |
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Cardiovascular Test Request Form (T724)
-General Test Request (T239)