| Test name | Alternative name for |
|---|
| Lacosamide | |
| Lactate | |
| Lactate Dehydrogenase | |
| Lactate Dehydrogenase Isoenzymes | |
| Lactoferrin-ANCA | |
| Lamictal | Lamotrigine |
| Lamivudine resistance assay | Hepatitis B Virus Sequencing |
| Lamotrigine | |
| Lanoxin | Digoxin |
| Laxative Screen Urine | |
| LC1 | Anti-Liver Cytosolic Antigen type 1 Antibody |
| LCMSMS Testosterone | Testosterone LCMSMS |
| LCMV PCR | Lymphocytic choriomeningitis virus PCR |
| LD | Lactate Dehydrogenase |
| LDH | Lactate Dehydrogenase |
| LDI | Lactate Dehydrogenase Isoenzymes |
| LDL-Cholesterol | |
| Lead Blood | |
| Lead Urine (24hr) | |
| Lead Urine (Random) | |
| Leflunomide level | |
| Legionella Antigen Confirmation | |
| Legionella Antigen EIA | |
| Legionella culture | Legionella Investigation |
| Legionella Investigation | |
| Legionella PCR | Legionella Investigation |
| Legionella pneumophila serogroup 1 antigen | |
| Legionella Serology | |
| Legionella Urinary Antigen Confirmation | Legionella Antigen EIA |
| Leiden Mutation | Factor V Leiden Mutation |
| Leigh Syndrome Gene | NARP Gene |
| Leishmania PCR | |
| Leishmania Serology | |
| Lepirudin | |
| Leprosy IgM | |
| Leptin | |
| Leptospirosis Serology | |
| Levetiracetam | |
| LFT | Liver Function Tests |
| LGV PCR | Lymphogranuloma venereum PCR |
| LH | Luteinising Hormone |
| LHON Mutation Analysis | |
| Light Chains Free | Free Light Chains |
| light transmission aggregation | Platelet Aggregation Studies |
| Lignocaine | |
| Limbal Impression Cytology | Cytology - Conjuntival Impression |
| Linezolid | |
| Lipase | |
| Lipids | |
| Lipids Profile | |
| Lipoprotein (a) | Lp(a) |
| Lipoprotein Electrophoresis | |
| Listeria Serology | |
| Lithium | |
| Liver Function Tests | |
| Liver Function Tests with AST | |
| Liver Iron | Iron Tissue |
| Liver Kidney Microsome autoantibody | Anti Liver Kidney Microsome antibodies |
| LKM antibodies (Liver Kidney Microsome antibodies) | Anti Liver Kidney Microsome antibodies |
| LNGS | Lymphoid NGS |
| Lopinavir | |
| Lp(a) | |
| Lupus Anticoagulant Screen | Lupus Inhibitor Screen |
| Lupus Inhibitor Screen | |
| Luteinising Hormone | |
| Lyme disease PCR | |
| Lyme disease Serology | Borrelia burgdorferi Serology |
| Lyme disease Western Blot | Borrelia burgdorferi Western Blot Confirmation |
| Lymph node histology | Histology - Lymph Node Biopsy |
| Lymphocyte Subsets | |
| Lymphocyte Subsets (T cells | Lymphocyte Subsets |
| Lymphocytic choriomeningitis virus PCR | |
| Lymphogranuloma venereum PCR | |
| Lymphoid Next Generation Sequencing Panel | Lymphoid NGS |
| Lymphoid NGS | |
| Lyso-GB1 | Glucosylsphingosine |
| Lysosomal Enzyme Analysis & VLCFA | |
| Lysosomal Storage Disorders | |
| Lyssavirus Serology | |