Lipoprotein (a)
Ordering Recommendation
Not recommended for cardiovascular risk assessment in asymptomatic adults. May aid in CVD risk stratification in specific populations.
New York DOH Approval Status
Specimen Required
Serum Separator Tube (SST) or Plasma Separator Tube (PST). Also acceptable: Green (Lithium Heparin), Lavender (EDTA), or Pink (K2EDTA).
Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Frozen.
Body Fluids.
After separation from cells: Ambient: 8 hours; Refrigerated: 14 days; Frozen: 1 month
Methodology
Quantitative Immunoturbidimetry
Performed
Sun-Sat
Reported
Within 24 hours
Reference Interval
< 30 mg/dL
Interpretive Data
FDA
Note
Hotline History
CPT Codes
83695
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0099174 | Lipoprotein (a) | 10835-7 |
Aliases
- Lp(a)
- Lp(a) apoprotein