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Test Mnemonic LDLD LDL Cholesterol (Beta-Quantification), Serum

Reporting Name

LDL Cholesterol (Beta-Quant), S

Useful For

Evaluation of cardiovascular risk

 

Assessment of low-density lipoprotein C (LDL-C) in patients with hypertriglyceridemia, type III hyperlipoproteinemia/dysbetalipoproteinemia, or when an accurate gold standard determination of LDL-C is required

 

Diagnosis of familial hypobetalipoproteinemia and abetalipoproteinemia

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Patient Preparation: Patient must not consume any alcohol for 24 hours before the specimen is drawn.

Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 3 mL

Additional Information: Indicate patient's age and sex.


Specimen Minimum Volume

<2 years: 1 mL; ≥2 years: 2 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 10 days
  Frozen 

Reference Values

The National Lipid Association and the National Cholesterol Education Program (NCEP) have set the following guidelines for LDL-C in adults (ages 18 years and up):

Desirable: <100 mg/dL

Above Desirable: 100-129 mg/dL

Borderline high: 130-159 mg/dL

High: 160-189 mg/dL

Very high: ≥190 mg/dL

 

The Expert Panel on Integrated Guidelines for Cardiovascular Health and Risk Reduction in Children and Adolescents has set the following guidelines for LDL-C in children and adolescents (ages 2-17 years):

Acceptable: <110 mg/dL

Borderline high: 110-129 mg/dL

High: ≥130 mg/dL

Day(s) and Time(s) Performed

Monday through Thursday, Saturday; 3 p.m. 

CPT Code Information

83701-Lipoprotein, blood; high resolution fractionation and quantitation of lipoproteins including lipoprotein subclasses when performed (eg, electrophoresis, ultracentrifugation)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LDLD LDL Cholesterol (Beta-Quant), S 18261-8

 

Result ID Test Result Name Result LOINC Value
LDLC LDL Chol (Beta-Quantification), S 18261-8

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Method Name

Ultracentrifugation/Selective Precipitation/Enzymatic Colorimetry (Beta-Quantification)

Forms

If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/cardiovascular-request-form.pdf).