Lab Test Directory—Saint Luke's Regional Laboratories
| LACTATE WB V | Lactate, Venous Blood |
| LACTOFERRIN | Lactoferrin Detection |
| LAMOTRIG | Lamotrigine |
| REF MISC | Laxatives Panel (Qualitative), Urine |
| LCM VIRUS | LCM Virus Antibody, IgG |
| LCM IGG CSF | LCM Virus Antibody, IgG, CSF |
| LDISO | LD Isoenzymes |
| LDLC | LDL Cholesterol |
| LEAD ADULT, LEAD PED VENOUS | Lead, Blood |
| LEFLU | Leflunomide |