LDLD (Low Density Lipoprotein Direct)

SIM

12222 

CPT

83721 

Synonyms

Low Density Lipoprotein - Direct 

Specimen Type

Plasma or serum 

Container

3.5 ml Green - Lithium heparin plasma separator 
4.0 ml Gold-top serum separator 

Collection Instructions

None

Volume

2 ml plasma or serum 
Min: 1 ml 

Additional Information

None

Patient Preparation

None

Specimen Processing Instructions

Plasma:  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Serum:  Allow to clot.  Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes

Centrifuge within 2 hours of collection.

Transport Requirements

Refrigerated

Specimen Stability

Room temperature:  8 hours   Refrigerated: 5 days 

Rejection Criteria

•  If not centrifuged within 2 hours of collection. 
•  Gross hemolysis 

Reference Range

<100 mg/dl

Critical Value

None 

Test Includes

LDLD 

Methodology

Timed-endpoint method 

Testing Frequency

Daily, Monday - Sunday 

Reviewed By

Crystal Killian 

Reviewed Date

3/18/2021

Supplemental