| Y16262 | Lacosamide |
| Y4411 | Lactate Dehydrogenase (LD) Isoenzyme Panel |
| Y585 | Lactic Acid, Plasma |
| Y10156 | Lactoferrin, Qualitative, Stool |
| Y22060 | Lamotrigine |
| B010 | LDH 乳酸脫氫酵素 |
| B043 | LDL Cholesterol, Direct 低密度脂蛋白膽固醇,直接 |
| UK165 | LDL7 Subfractions [LDL7] |
| Y36440 | Lead, 24 hr Urine 鉛, 24小時尿液 |
| Y599 | Lead, Blood 鉛, 全血 |
| Y601 | Lead, Urine 鉛, 尿液 |
| UK131 | Leber's Hereditary Optic Neuropathy [GENE] |
| Y18865 | Leflunomide Metabolite |
| Y36580 | Legionella Pneumophila Antibody (IgG), IFA |
| Y30268 | Legionella Pneumophila Antibody (IgM), IFA |
| UK110 | Leishmania Antibodies [LEIS] |
| Y90367 | Leptin |
| Y17875 | Leptospira DNA, Qualitative Real-Time PCR |
| UK021 | Leptospirosis (Weil's Disease) Abs (IgM) [LEP] |
| MC216 | Leukotriene E4, Random Urine |