Specimen:

Plasma

Collection Medium:

Alternate
Collection Media:

Call laboratory for additional acceptable specimen collection 
containers.

Minimum:

2 ml whole blood from light green top tube or two 0.6 ml microtubes

Testing Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

2 hours (upon receipt in laboratory)

Reference Range:

< 130- mg/dl

Comments:

Fasting sample requested.  Non-fasting sample can be used, but they are 
slighly lower than fasting results.  Coorelation between calculated LDL 
and measured LDL is very good.  Measured can be used for LDL (measured) 
non-fasting samples with Triglycerides > 400 mg/dl.

Effective 2/20/06:  If the triglyceride value is less than 400 md/dL, 
the measured LDL cholesterol order will be canceled.

Test
Limitations:

In rare cases, elevated immunoglobulin concentrations cause falsely 
elevated LDL values.

Methodology:

Enzymatic

CPT Code:

83721

See also:
Cholesterol, Low-Density Lipoprotein (calculated), Plasma

See Additional Information:
Fasting Specimen Requirements