Test Details
Mnemonic
LDLD
Ordering Code
1000172
CPT-4 Code(s)
83721
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge and separate from cells within 3 hours. Send 1.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Plasma: Lavender EDTA, green sodium heparin, green lithium heparin
Plasma: Lavender EDTA, green sodium heparin, green lithium heparin
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Lipemic (>1500 triglycerides) and hemolyzed samples. >500 mg/dL of hemolysis. Citrate and oxalate plasma.
Stability
Room temperature: Unacceptable
Refrigerated: 5 days
Frozen (-70°C): 3 months
Samples should only be frozen once.
Refrigerated: 5 days
Frozen (-70°C): 3 months
Samples should only be frozen once.
Methodology
Spectrophotometry
Reference Range
Optimal: <100 mg/dL
Low risk: 100 - 129 mg/dL
Borderline high: 130 - 159 mg/dL
High: 160 - 189 mg/dL
Very High: ≥190 mg/dL
Low risk: 100 - 129 mg/dL
Borderline high: 130 - 159 mg/dL
High: 160 - 189 mg/dL
Very High: ≥190 mg/dL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes