Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

LDL (DIRECT MEASURE)

ORDERING INFORMATION:
Sunquest Test Code:
LDL      Geisinger Epic Procedure Code: 83721         Geisinger Epic ID: 6823

SPECIMEN COLLECTION
Specimen type:
Plasma or serum
Preferred collection container:
Specimen required:
1 mL of serum or plasma; minimum 0.2 mL.

SPECIMEN PROCESSING
Specimen processing instructions:
Plasma: Centrifuge at 1100-2000 g for a minimum of 10 minutes.
Serum: Allow to clot. Centrifuge at 1100-2000 g for a minimum of 10 minutes. 
Transport temperature:
Refrigerated (preferred) or frozen.
Specimen stability:
Refrigerated: 7 days. Frozen: 1 year.
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Interpretation guide:
<18 years old:
<70 mg/dL Target level for high-risk ASCVD patient
< 110 mg/dL Optimal for general population
110-129 mg/dL Borderline high
> = 130 mg/dL High
   
Adult:
<70 mg/dL Target level for high-risk ASCVD patient
<100 mg/dL Optimal for general population
100-129 mg/dL Near optimal for general population
130-159 mg/dL Borderline high
160-189 mg/dL High
> =190 mg/dL Very high
CPT code(s):
83721
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Spectrophotometric (Colorimetric)
Synonyms:
LDL
LDL CHOLESTEROL
LOW DENSITY LIPOPROTEIN
Clinical significance:
LDL cholesterol is a key factor in the pathogenesis of atherosclerosis and coronary artery disease (CAD). It is used for risk factor determination for likelihood of developing CAD.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 09/10/2019

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Mariana Moyer, Jared Shepherd
Frequency: Daily, Monday - Sunday
Performed stat? Yes
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