LDL cholesterol, direct-5665
Test info
LDL cholesterol, direct
5665
83721.0
LDC
Direct measure LDL
Specimen
Patient fasting prior to sample collection is recommended, but not required
Lithium heparin (Li hep) plasma
1.0 mL
0.2 mL
Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times to prevent clotting
Spin
Lt green plasma separator (PST)
Serum
Immediately following collection, thoroughly mix sample by gently inverting 5 times
- Allow sample to clot for a minimum of 30 minutes
- Spin within two (2) hours of sample collection
Gold serum separator (SST) tube
Refrigerated - 7 days
Frozen - 12 months
- Improper labels (unlabeled or mislabeled)
- Hemolysis
- Improper anticoagulant or ratio
- Delay in transport
- Improper storage temperature affecting results
- Improper container
- Leaking container resulting in compromised specimen
- Quantity not sufficient (QNS)
Performance
AHL - Chemistry: C
Daily
1 day
Homogenous enzymatic colorimetric
Clinical and Interpretive info
Optimal <100 mg/dL
Near Optimal 100 – 129 mg/dL
Borderline High 130 - 159 mg/dL
High 160 - 189 mg/dL
Very High >= 190 mg/dL
Samples with triglyceride concentrations >1,300 mg/dL should not be used for the determination of LDL cholesterol.
Billing
83721
Yes
Tracking
11/30/2001
05/02/2023
01/09/2024