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Test Code DLDL Cholesterol, Low-Density Lipoprotein (LDL) Direct, Plasma or Serum

Important Note

This is a reflex test if “Lipid Panel” is ordered and triglycerides are >400 mg/dL.

Additional Codes

EPIC:  LAB102

Methodology

Enzymatic

Used in the direct quantitative determination of low-density lipoprotein cholesterol.

Performing Laboratory

St. Joseph Hospital

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:
Plasma
Draw blood in a light green-top (lithium heparin gel) tube(s). Spin down, separate plasma from cells within 2 hours of draw, and send 1 mL of lithium heparin plasma refrigerated.

Note:  1. Indicate plasma on request form.

2. Label specimen appropriately (plasma).

 

Alternate:

Serum

Draw blood in a plain, red-top tube(s) or a serum gel tube(s). Spin down, separate serum from cells within 2 hours of draw, and send 1 mL of serum refrigerated. 

Note:  1. Indicate serum on request form.

2. Label specimen appropriately (serum).

Reference Values

<100 mg/dL (optimal)

130-159 mg/dL (borderline-high)

>190 mg/dL (very high)

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

83721