OKT3 ANTIBODY, SERUM

OLIGOCLONAL BANDING, SERUM AND SPINAL FLUID

OLIGOSACCHARIDES, QUALITATIVE, URINE SCREEN

ORGANIC ACIDS, QUALITATIVE, BLOOD

ORGANIC ACIDS, QUALITATIVE, URINE

ORGANISM IDENTIFICATION

OROTIC ACID, URINE

OSMOLALITY, BLOOD

OSMOLALITY, FECES

OSMOLALITY, URINE

OSMOTIC FRAGILITY, ERYTHROCYTES

OSTEOCALCIN

OVA AND PARASITE SCREEN (GIARDIA/CRYPTOSPORIDIUM ANTIGEN)

OVA AND PARASITES COMPLETE EXAMINATION

OXALATE, URINE

OXCARBAZEPINE METABOLITE (TRILEPTAL)