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HelpTest Code DLDL Low-Density Lipoprotein (LDL), Direct, Plasma or Serum
Additional Codes
LAB102
Methodology
Used for direct measurement of LDL cholesterol.
Performing Laboratory
St. Mary's Regional Medical Center-Chemistry
CPT: 8372159
Specimen Requirements
Submit only 1 of the following specimens:
Plasma
Container/Tube: Light green-top (lithium heparin) tube
Specimen: 1 mL of lithium heparin plasma
Transport Temperature: Ambient
Collection Instructions: Fasting (12-14 hour). Patient must not consume alcohol for 24 hours prior to blood draw.
Note:
1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Container/Tube: Plain, red-top tube or serum gel tube
Specimen: 1 mL of serum
Transport Temperature: Ambient
Collection Instructions: Fasting (12-14 hour). Patient must not consume alcohol for 24 hours prior to blood draw.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Reference Values
Optimal: <100 mg/dL
Near optimal: 100-129 mg/dL
High Borderline: 130-159 mg/dL
High: 160-189 mg/dL
Very high: ≥190 mg/dL
When ordered as part of a lipid panel, a direct LDL will reflex if the triglyceride result is >400 mg/dL.
Day(s) Test Set Up
Monday through Sunday