Lactate Dehydrogenase (LDH)
Gold top tube - Gel (Clotted)
Lactate Dehydrogenase Isoenzymes
Gold top tube - Gel (Serum)
Lactate/Lactic Acid
Grey Fluoride Oxalate (Whole Blood)
Lamotrigine
Red top tube - No Gel (Serum)
Lead (Pb)
Trace Element Tube is preferred but Purple top tube (EDTA) (Whole Blood) is accepted
Legionella Pneumoniae PCR
Nasopharyngeal aspirate OR Nasopharyngeal swab (dry - no transport medium) OR Sputum
Legionella Serology
Gold top tube - Gel (Serum
Leptin
Gold top tube - Gel (Serum
Leptospira Antibodies
Gold top tube - Gel (Serum
Lipase
Gold top tube - Gel (Serum)
Lipid Profile
Gold top tube - Gel (Serum)
Lipoprotein (a)
Gold top tube - Gel (Serum)
Lipoprotein Electrophoresis
Gold top tube - Gel (Serum)
Liquid based Cytology
ThinPrep
Lithium
Gold top tube - Gel (Clotted) OR Red top tube - No Gel (Clotted)
Liver Function Test
Gold top tube - Gel (Serum
Lupus Anticoagulant Screen
5 x Light Blue top tube (Coagulation/3.2% Citrate) (Plasma
Luteinizing Hormone Female OR Male (LH)
Gold top tube - Gel (Serum)
Lyme Serology
Gold top tube - Gel (Serum)
Lymphocyte Subsets
Refer patient to laboratory
Lyssavirus Serology
Gold top tube - Gel (Serum)
