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See Sample Requirements and Special Instructions for keys to sample codes and special instructions.


Test Code Sample Reqs Assay
Lactate (Plasma)  LACT G [16] 1 day 16
Lactate Dehydrogenase (LDH) * LDH B 4 hrs  
Lactose Tolerance Test  LTT J [1] 8 hrs 1
Lamotrigine  LAMO B 5 days  
Lead (Blood)  LEAD A or H 5 days  
Lead (Urine)  URPB RU 5 days  
Legionella Antibodies  LEGO B 2 days  
Legionella Urine Antigen  LEGA RU 1 day  
Leishmania Antibodies  LEIS B 2 days  
Leishmania Blood Film  LEIF A 8 hrs  
Leucocyte Antibody Detection FEMALE 8RF B 1 week  
Leucocyte Antibody Detection MALE  7RF H H H  1 week  
Levetiracetam (Keppra)  LEVE B 3 days  
LIPA B 4 hrs  
Lipid Profile  LIPP B 4 hrs  
Lipoprotein (a)
LPOA B 4 hrs  
Lithium (take 1-2 hrs after dose)* LITH B 4 hrs  
Liver (Enhanced Liver Fibrosis ELF)  ELF B 6 days  
Liver Fibrosis Fibrotest  FIBT B  2 weeks  
Liver Function Tests  LFT B 4 hrs  
Liver Kidney Microsomal Antibodies  LKM B 2 days  
Lorazepam  LORA B 10 days  
Lupus Anticoagulant and Anticardiolipin Abs  LUPA B C [4,18] 2 days 4,18
Lupus Anticoagulant only  LUPC C C [18] 2 days 18
Luteinising Hormone (LH) * LH B 4 hrs  
Lyme Disease (Borrelia Abs) IgG, IgM  BORR B [9,14] 2 days 9,14
Lyme Disease (Borrelia Abs) IgM  BORM B 2 days  
Lymphocyte Subsets (CD3/CD4/CD8)  LYSS A [10]/Chex 2 days 10


* = ISO 15189(296MT)  accredited test, analysed in MLP