Test Details

Mnemonic

LDLD

Ordering Code

1000172

CPT-4 Code(s)

83721

Specimen Information

Collect

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: Plain red-top
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.

Methodology

Spectrophotometry
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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
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Performing Laboratory

Warde Medical Laboratory
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