| 
          4031 
         | 
        
          OCCULT BLOOD RUSH
         | 
      
      
        | 
          4998 
         | 
        
          OCCULT BLOOD, OTHER RUSH
         | 
      
      
        | 
          OCT2 
         | 
        
          OCT-2 Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OCT4 
         | 
        
          OCT3/4 Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OLIG2 
         | 
        
          OLIG2 Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OLIGS 
         | 
        
          Oligoclonal Banding, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OLIGC 
         | 
        
          Oligoclonal Banding, Spinal Fluid Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OLIGU 
         | 
        
          Oligosaccharide Screen, Random, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OPATU 
         | 
        
          Opiates Confirmation, Random, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          FOPIA 
         | 
        
          Opiates, Serum or Plasma, Quantitative ARUP Laboratories
         | 
      
      
        | 
          ORNG 
         | 
        
          Orange, IgE, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ORXNA 
         | 
        
          Orexin-A/Hypocretin-1, Spinal Fluid Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OAUS 
         | 
        
          Organic Acids Screen, Urine Spot Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          IDENT 
         | 
        
          Organism Referred for Identification, Aerobic Bacteria Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OTP 
         | 
        
          Orthopedia Homeobox Protein (OTP) Immunostain, Technical Component Only Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ORTHP 
         | 
        
          Orthostatic Proteinuria, Random, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          1575 
         | 
        
          OSMOLALITY , URINE RUSH
         | 
      
      
        | 
          OSM24 
         | 
        
          Osmolality, 24 Hour, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OSMOF 
         | 
        
          Osmolality, Feces Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          1570 
         | 
        
          OSMOLALITY, SERUM RUSH
         | 
      
      
        | 
          OSG_F 
         | 
        
          Osmotic Gap, Feces Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OIBFG 
         | 
        
          Osteogenesis Imperfecta and Bone Fragility Gene Panel, Varies Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          4100 
         | 
        
          OVA AND PARASITE RUSH
         | 
      
      
        | 
          OAPNS 
         | 
        
          Ova and Parasite, Microscopy, Varies Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          OPE 
         | 
        
          Ova and Parasite, Travel History or Immunocompromised, Feces Mayo Clinic Laboratories in Rochester
         |