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LDL DIRECT MEASUREMENT
Test CodeLDLD
Alias/See Also
DLDL
CPT Codes
83721
Preferred Specimen
1.0 mL plasma collected in a PST (LiHeparin tube)
Minimum Volume
0.5 mL
Other Acceptable Specimens
Tiger top (SST)
Gold top (SST)
Red top
Plasma –EDTA (Lavender)
Gold top (SST)
Red top
Plasma –EDTA (Lavender)
Specimen Stability
Room Temperature: Not Specified
Refrigerated: 7 days at 4-8°C
Frozen: 12 months at -20 °C or -70 °C. Freeze only once.
Refrigerated: 7 days at 4-8°C
Frozen: 12 months at -20 °C or -70 °C. Freeze only once.
Last Updated: October 31, 2024
