L
LDH
Description
Lactate Dehydrogenase Isoenzymes
Test Code
3615
Specimen
Serum
Volume
2 mL
Minimum Volume
0.8 mL
Container
Red-top tube or gel-barrier tube.
Storage Instructions
Room temperature.
Lipase
Description
Lipase
Test Code
3690
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container/Collection
Red-top tube or gel-barrier tube
Storage Instructions
Room temperature.
Lipoprotein (a)
Description
Lipoprotein(a)
Test Code
3446
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.2 mL
Container/Collection
Red-top tube or gel-barrier tube
Storage Instructions
Refrigerate.
Lithium
Description
Lithium
Test Code
0178
Specimen
Serum
Volume
1 mL
Minimum Volume
0.3 mL
Container/Collection
Red-top tube or gel-barrier tube; if a red-top tube is used, transfer separated serum to a plastic transport tube.
Storage Instructions
Refrigerate
LH
Description
Luteinizing Hormone (LH)
Test Code
3002
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container/Collection
Red-top tube or gel-barrier tube
Storage Instructions
Room temperature.
Lp-PLA2 (PLAC)
Description
Lipoprotein-Associated Phospholipase A2 Activity
Test Code
3698
Synonym
PLAC
Specimen
Serum (preferred) or plasma
Volume
0.5 mL
Minimum Volume
0.2 mL
Container/Collection
Red-top tube, gel-barrier tube, or lavender-top (EDTA) tube. Separate serum or plasma from cells as soon as possible (within two hours).
Storage Instructions
Refrigerate.
Lyme IgG/igM Scr. w/Rflx
Description
Lyme Disease Antibodies, Total and IgM, With Reflex to Western Blot on Positive
Test Code
258004
Specimen
Serum
Volume
2 mL
Minimum Volume
1 mL
Container
Red-top tube or gel-barrier tube
Storage Instructions
Room temperature.