Test Code LAB102 LDL, Direct Measure
Clinical Information
This test measures low-density lipoprotein (LDL) in serum or plasma samples using a photometric assay.
Synonym
- LDL
Specimen Required
Preferred Container/Tube: Mint Green Top
Acceptable Container/Tube: Mint Green Top, Gold SST Top
Specimen Volume: 3 mL
Specimen Minimum Volume: 1 mL
Specimen Stability Information
Ambient: 24 hours
Refrigerated: 5 days
Rejected Due To
- Gross hemolysis
- Gross icterus
- Quantity not sufficient
- Quality not acceptable
Reference Values
<100 mg/dL
Method Description
Enzymatic colorimetric
Cautions
In some cases of monoclonal gammopathies (especially Waldenstrom's macroglobulinemia with very high concentrations of IgM), direct LDL results may be unreliable.
Performing Lab
Clinical Lab UH
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 day
Reporting Name
LDL, Direct Measure
CPT Code Information
83721
LOINC Code Information
18262-6