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Common Abbreviations (N - O)

A | B | C | D-E | F-H | I-K | L | M | N-O | P | Q-R | S | T-Y | View All

N - O
NA Not applicable
NBS Normal bowel sounds
NEC Not elsewhere classified
NED No evidence of disease
NEG or - Negative
NERD No evidence of recurrent disease
NEURO Neurology
NHL Non Hodgkin lymphoma
NK Natural killer
NL Normal
NOS Not otherwise specified
NR Not recorded
NR Not reportable
NSCLC Non small cell lung carcinoma
NSF N significant findings
NTP Normal temperature and pressure
N&V Nausea and vomiting
NVD neck vein distention
OB Obstetrics
OBST Obstructed (ing, ion)
OD Right eye (oculus dexter)
OH Occupational history
OP Operation
OP Outpatient
OPD Outpatient clinic; department
OPHTH Ophthalmology
OR Operating room
ORTH Orthopedics
OS Bone
OS Left eye (oculus sinister)
OS Mouth
OS Opening
OSTEO Osteomyelitis
OT Occupational therapy
OTO Otology
OU Each eye (oculus uterque)
OV Office visit
OZ Ounce