O - procedure

- O & P - O₂ saturation - ob (leptin) receptor gene mutation - ob receptor gene mutation - obesity surgery - obstetric panel - obstetric panel HIV - obstetric panel hiv1 - obstetrical panel - obstetrical panel hiv - obstructed airway maneuver - occipital nerve block - occult blood, stool - occupational therapy (OT) - octreotide scintigraphy - ocular cryosurgery, - ocular enucleation - ocular evisceration - ocular ultrasound - off label use - oligoclonal banding in CSF - oligoclonal banding in serum - oligonucleotide ligation assay - omega 5 gliadin IgE Ab - omega 5 gliadin IgE antibody - omega-3 fatty acids in erythrocytes - omega-3 fatty acids in RBC - omega-5 gliadin IgE antibody - omentectomy - oncolytic viral therapy - oncolytic virotherapy - Oncotype DX for breast cancer - Oncotype DX for colon cancer - Oncotype DX for colon carcinoma - Oncotype DX for colorectal adenocarcinoma - Oncotype DX for colorectal carcinoma - Oncotype DX for prostate cancer - Oncotype DX for prostate carcinoma - one leg balance - one leg stand - oophorectomy - open heart surgery - open MRI (includes standing MRI) - opening pressure - ophthalmic biometry - ophthalmic mucous membrane test - ophthalmic ultrasound - ophthalmodynamometry - ophthalmoscopy - ophthamlic pressure - opiate deprescribing - opiate taper - opiates in urine - opioid deprescribing - opioid taper - optic nerve decompression - optometry - oral airway - oral salt loading test - oral/pharyngeal swallowing study - OraQuick - OraQuick HCV Rapid Antibody Test - oraquick rapid advance - Oraquick Rapid HIV-1 Antibody Test - Orasure - Orasure Rapid HIV-1 Antibody Test - Orbera Intragastric Balloon System - orbital exenteration - orbitotomy - orchidectomy - orchiectomy - organ transplantation - organ/tissue transplantation - organochloride in blood - organochlorine pesticide measurement - oropharyngeal biopsy - oropharyngeal exercises for sleep apnea - orotracheal intubation - orthognathic surgery - orthopantogram - orthopantomogram - orthopedic surgery - Orthopoxvirus in skin by electron microscopy - orthoptic training - oscillating tracking test - osmolal gap - osmolality (Osm) - osmolality, serum - osmolality, urine - osmolar gap - osmole gap - osmotic fragility incubated, erythrocyte - osmotic fragility, erythrocyte - osseous survey - ostectomy - osteocalcin in serum - osteochondral allograft - osteochondral allografting - OsteoMark - osteoplasty - osteotomy - osteotomy tibia - OT - other-endocrine receptor in tissue - otoplasty - otorhinolaryngolic surgery - otoscopy - otovent - out of center sleep study - out of center sleep test - out of center sleep testing - out-of-center sleep study - out-of-center sleep test - out-of-center sleep testing - ova & parasites - OvaCue Fertility Monitor - ovarian cancer genotyping - ovarian cancer, PCR/southern blot/northern blot/ISH - ovarian tissue transplantation - ovarian transplantation - ovariectomy - overnight pulse oximetry - overt aggression scale (OAS) - oxalate in 24 hour urine - Oxford knee score - oximetry - oxygen saturation - oxygen therapy - oxytocin in plasma - oxytocin in serum/plasma