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Test Code LDLD LDL Cholesterol, Direct, LAB102

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: Green-top (lithium heparin) tube

Acceptable: Gold-top serum gel tube, plain red-top tube, EDTA plasma
Specimen Volume: A minimum volume of 1.1 µL plus a dead volume is required for testing.

Stability: Separated specimens are stable for 7 days at  2 – 8°C. For longer storage, samples may be frozen at -20°C for 1 year.

               

Collection Instructions: Fasting (12 hour preferred).

 

Reference Values

≤100 mg/dL

The National Cholesterol Education Program (NCEP) has set the following guidelines (reference values) for LDLC:

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

Day(s) Test Set Up

Monday through Sunday

Useful For

LDL Cholesterol measurements are used in the diagnosis and treatment of lipid disorders such as diabetes mellitus, atherosclerosis, and various liver and renal diseases.

Methodology

Enzymatic colormetric assay

Test Classification and CPT Coding

83721

Report Available

STAT within 1 hour of receipt

Routine within 2 hours of receipt