| LG49047-0 | Methemoglobin · Pt · Bld | 2 |
| LG49053-8 | Methsuximide+Normethsuximide · Pt · Ser/Plas | 2 |
| LG49074-4 | Methylenedioxyamphetamine · Pt · Ser/Plas | 2 |
| LG49096-7 | Mexiletine · Pt · Urine | 2 |
| LG49097-5 | Mexiletine · Pt · Gast fld | 2 |
| LG49099-1 | Mexiletine · Pt · Ser/Plas | 2 |
| LG49106-4 | Mirtazapine · Pt · Ser/Plas | 2 |
| LG49114-8 | Mullerian inhibiting substance · Pt · Ser/Plas | 2 |
| LG49115-5 | Mullerian inhibiting substance · Pt · Ser/Plas · IA | 2 |
| LG49121-3 | Mycophenolate · Pt · Ser/Plas | 2 |
| LG49145-2 | N-desalkylflurazepam · Pt · Ser/Plas | 2 |
| LG4915-7 | Mitochondria Ab · ACnc · Pt · ANYBldSerPl | 3 |
| LG49156-9 | Neopterin · Pt · Ser/Plas | 3 |
| LG49157-7 | Neopterin · Pt · Urine | 2 |
| LG4916-5 | Ganglioside GM1 Ab · PrThr · Pt · ANYBldSerPl | 2 |
| LG49160-1 | Netilmicin · Pt · Ser/Plas | 2 |
| LG49176-7 | Norchlordiazepoxide · Pt · Ser/Plas | 2 |
| LG49179-1 | Norclobazam · Pt · Ser/Plas | 2 |
| LG4918-1 | Morus alba Ab.IgE · ACnc · Pt · ANYBldSerPl | 3 |
| LG49184-1 | Norclomipramine · Pt · Urine | 2 |
| LG49187-4 | Norclomipramine · Pt · Ser/Plas | 2 |
| LG49194-0 | Norfluoxetine · Pt · Ser/Plas | 2 |
| LG49200-5 | Normethsuximide · Pt · Ser/Plas | 2 |
| LG49204-7 | Norolanzapine · Pt · Ser/Plas | 2 |
| LG49215-3 | Octadecanoate · Pt · Ser/Plas · 283.476 g/mole | 2 |
| LG49220-3 | Octanoylcarnitine (C8) · Pt · Ser/Plas | 2 |
| LG49228-6 | Oxazepam · Pt · Urine · Confirm | 2 |
| LG49229-4 | Oxazepam · Pt · Ser/Plas | 2 |
| LG49231-0 | Oxazepam · Pt · XXX | 2 |
| LG49244-3 | OXcarbazepine · Pt · Ser/Plas · 252.27 g/mole | 2 |
| LG49245-0 | Oxycodone · Pt · Urine · Confirm | 2 |
| LG49296-3 | Paraldehyde · Pt · Ser/Plas | 2 |
| LG49297-1 | Parathyrin related protein · Pt · Ser/Plas | 2 |
| LG49324-3 | Phensuximide · Pt · Ser/Plas | 2 |
| LG4933-0 | Myelin Ab.IgG · PrThr · Pt · ANYBldSerPl | 2 |
| LG49330-0 | Phenylbutazone · Pt · Ser/Plas | 2 |
| LG49335-9 | Phenytoin · Pt · Ser/Plas | 2 |
| LG49342-5 | Phospholipid · Pt · Ser/Plas | 3 |
| LG4936-3 | Myelin associated glycoprotein Ab.IgG · ACnc · Pt · ANYBldSerPl | 2 |
| LG49361-5 | Platinum · Pt · Urine | 2 |
| LG49371-4 | Porphyrins · Pt · RBC | 2 |
| LG49372-2 | Porphyrins · Pt · Ser/Plas | 2 |
| LG49374-8 | Porphyrins · Pt · Urine | 2 |
| LG49375-5 | Porphyrins · 24H · Urine | 2 |
| LG49379-7 | Prilocaine · Pt · Ser/Plas | 2 |
| LG4938-9 | Myeloperoxidase Ab · PrThr · Pt · ANYBldSerPl | 4 |
| LG49382-1 | Procainamide+N-acetylprocainamide · Pt · Ser/Plas | 2 |
| LG49384-7 | Progesterone · Pt · Ser/Plas · IA · 314.469 g/mole | 2 |
| LG49385-4 | Progesterone · Pt · Ser/Plas · 314.469 g/mole | 3 |
| LG49388-8 | Progesterone · Pt · Saliva · 314.469 g/mole | 2 |