Methodology
Enzymatic
Synonyms
LDL Direct; Low Density Lipoprotein; DLDL; LDL Cholesterol, Direct; Cholesterol, LDL
Specimen Type
Serum or Plasma
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB00953
Lab Test Days
Sunday-Thursday
Standard TAT
3-6 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
If an LDL-Cholesterol measurement is to be performed along with triglycerides, the patient should be fasting 9-12 hours prior to collection. Plasma collected in a sodium heparin (green-top) or lithium heparin (green-top) is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK/Ambient-OK
Specimen Stability
Room Temp: 6 Days; Refrigerated: 7 Days; Frozen: 31 Days
Rejection Criteria
Anticoagulant other than heparin
Test Volume Required
1 mL Serum or Plasma
Minimum Test Volume
0.5 mL Serum or Plasma
CPT Codes
83721
Revised
01-13-20
Initials
SL