There are a lot of abbreviations that appear in medical records used in disability claims. Some examples some include:
HEENT – head, eyes, ears, nose and throat
WNL – within normal limits
VS – vital signs
HPI – history of present illness
CC – chief complaint
ROS – review of systems
PMH – past medical history
PSH – past surgical history
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LOC – level of consciousness
NAD – no acute distress
DTR – deep tendon reflexes
R/O – rule out
MI – myocardial infarction
EMR – electronic medical record
PRN – patient return as needed


