Test Code Test Name
UOXYCF Oxycodone & Metabolites
UOXY Oxycodone, Qualitative
UOPCF Opiates w/ Confirmation
UOP Opiates, Qualitative
PNPHIV OBSTETRICS AMA PANEL W/ HIV SCREEN
PNPHBS OBSTETRICS AMA PANEL
PMOPQ Opiates, Qualitative
PMOPCF Opiates w/ Confirmation
OYSTER Oyster (f290) IgE [8932X]
OXYLC Oxycodone Confirmation
OXMETV Oxycodone and Metabolite, Quantitative, Serum [18885]
OXCARB Oxcarbazepine Metabolite [36637]
OXALIC Oxalic Acid, 24-Hour Urine without Creatinine
OXA24C Oxalic Acid, 24-Hour Urine with Creatinine  [682X]
OVOMUC Ovomucoid (f233) IgE [3046]
OVAPR O & P Routine
OVALE Ovalbumin (F232) IgE
OVABS Ovarian Antibody Screen with Reflex to Titer, IFA
OSTEOC Osteocalcin, N-MID [16322]
OSMOU Osmolality, Urine
OSMOS Osmolality, Serum
OSMOF Osmolality, Feces [968]
ORGR Orchard Grass (Cocksfoot) (G3), IgE
OREGNO Oregano (Rf283) IgE** [3045X]
ORANGE Orange (f33) IgE [2833X]
OPILC Opiate Metabolites Confirmation
OP3 OVA & PARASITE TRAVELER'S SCREEN (Sample #3)
OP2 OVA & PARASITE TRAVELER'S SCREEN (Sample #2)
OP1 Ova & Parasite Traveler's Screen (Sample #1)
ONIGE Onion (F48), IgE
OMEGA Omega-3 and -6 Fatty Acids [91001]
OLIGO Oligoclonal Bands (IgG), CSF [674]
OLANZA Olanzapine [70073]
OCTOPS Octopus (f59) IgE [2622]
OCCSCR Occult Blood, Screening
Used for Screening purposes see test code OCCDIA for diagnostic test.
OCCDIA Occult Blood, Diagnostic 
Used for Diagnostic purposes see test code OCCSCR for screening test.
OAWH Oak White (T7), IgE
OAIGE Oat (F7) IgE