Oak Live (Quercus virginiana) IgE
Oak Red (Quercus rubra) IgE
Oak, IgE, Serum
Oat IgG
Oat, IgE, Serum
OCT-2 Immunostain, Technical Component Only
OCT3/4 Immunostain, Technical Component Only
Octopus, IgE, Serum
Olanzapine (Zyprexa)
OLIG2 Immunostain, Technical Component Only
Oligoclonal Banding, Serum
Oligoclonal Banding, Serum and Spinal Fluid
Oligoclonal Banding, Spinal Fluid
Oligosaccharide Screen, Random, Urine
Olive Black IgG
Olive Tree, IgE, Serum
Olive-Food, IgE, Serum
Onion IgG
Onion, IgE, Serum
Opiate Confirmation, Chain of Custody, Meconium
Opiate Confirmation, Meconium
Opiates Confirmation, Chain of Custody, Random, Urine
Opiates Confirmation, Random, Urine
Opiates, Serum or Plasma, Quantitative
Opiates, Umbilical Cord Tissue
Orange IgG
Orange, IgE, Serum
Orchard Grass, IgE, Serum
Oregano IgG
Oregano, IgE, Serum
Orexin-A/Hypocretin-1, Spinal Fluid
Organic Acids Screen, Random, Urine
Organic Acids Screen, Urine Spot
Organism Referred for Identification, Aerobic Bacteria
Organism Referred for Identification, Anaerobic Bacteria
Orotic Acid, Random, Urine
Orris Root (Iris florentina) IgE
Orthopedia Homeobox Protein (OTP) Immunostain, Technical Component Only
Orthostatic Protein, Timed Collection, Urine
Orthostatic Proteinuria, Random, Urine
Osmolality, 24 Hour, Urine
Osmolality, Feces
Osmolality, Random, Urine
Osmolality, Serum
Osmotic Fragility, Erythrocytes
Osmotic Gap, Feces
Osteocalcin, Serum
Osteogenesis Imperfecta and Bone Fragility Gene Panel, Varies
Ova and Parasite, Microscopy, Varies
Ova and Parasite, Travel History or Immunocompromised, Feces
Ovalbumin, IgE, Serum
Ovarian Antibody Screen with Reflex to Titer, IFA
Ovomucoid, IgE, Serum
Ox-Eye Daisy, IgE, Serum
Oxalate Analysis, Hemodialysate
Oxalate, 24 Hour, Urine
Oxalate, Plasma
Oxalate, Random, Urine
Oxalate/Creatinine Ratio, Urine
Oxazepam (Serax), Serum
Oxcarbazepine Metabolite, Serum
Oxycodone - Free (Unconjugated), Serum
Oxycodone Screen, Chain of Custody, Random, Urine
Oxycodone Screen, Random, Urine
Oxycodone with Metabolite Confirmation, Chain of Custody, Random, Urine
Oxycodone with Metabolite Confirmation, Random, Urine
Oxymorphone Confirmation, Random, Urine
Oxysterols, Blood
Oxysterols, Blood Spot
Oxysterols, Plasma
Oyster, IgE, Serum