Lipoprotein (a)
Ordering Recommendation
Not recommended for cardiovascular risk assessment in asymptomatic adults. May aid in CVD risk stratification in specific populations.
Methodology
Quantitative Immunoturbidimetry
Performed
Sun-Sat
Reported
Within 24 hours
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
Reference Interval
< 30 mg/dL
Interpretive Data
FDA
Note
Hotline History
Hotline History
CPT Codes
83695
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0099174 | Lipoprotein (a) | 10835-7 |
Aliases
- Lp(a)
- Lp(a) apoprotein