A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

LDL Cholesterol, Direct

Test Code
LAB102


Alias/See Also
Low Density Lipoprotein, Direct LDL, LDL


CPT Codes
83721

Preferred Specimen
4.5 ml (600 ul min) lithium heparin (green); alternate-SST (gold) or Red (no additive)


Minimum Volume
1 ml (200 ul minimum) plasma; alternate-serum


Instructions
Separate plasma or serum from cells as soon as possible. After centrifugation, if not in gel barrier tube, pour off plasma or serum into an aliquot tube.


Transport Temperature
Room Temp.


Specimen Stability
Separated from cells: 8 hours room temp, 5 days refrigerated


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >40 mg/dL bilirubin, Hemolysis: >500 mg/dL, Lipemia: >900 mg/dL


Methodology
Direct Surfactant

Setup Schedule
Mon- Sun


Reference Range
<100 OPTIMAL
100-129 NEAR OR ABOVE OPTIMAL
130-159 BORDERLINE HIGH
160-189 HIGH
>/= 190 VERY HIGH


Clinical Significance
LDL-Cholesterol plays a causal role in the development of coronary heart disease (CHD).


Performing Laboratory
Piedmont Athens Regional



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.