R/O stands for Rule Out.
What does R/O mean?
R/O stands for Rule Out, used when a doctor lists a possible diagnosis they want to investigate and exclude.
R/O stands for Rule Out. It is used in medical notes when a clinician names a possible diagnosis that they want to check for and exclude. For example, R/O MI means the team wants to rule out a heart attack, so they will do tests to see whether it is present.
Ruling out conditions is a normal part of clinical reasoning. When a patient has certain symptoms, the doctor considers the possible causes, including serious ones, and orders tests to confirm or exclude each. Writing R/O shows which diagnoses are being actively considered and investigated.
R/O is a common shorthand in assessments and plans, and it reflects careful, safe thinking about what might be causing a patient symptoms.
When is R/O used?
Used in assessments and plans when a clinician wants to investigate and exclude a possible diagnosis.
Frequently asked questions
What does R/O mean in medical terms?
R/O means Rule Out, used when a doctor wants to investigate and exclude a possible diagnosis.
What does R/O stand for?
R/O stands for Rule Out.
What does R/O MI mean?
It means the team wants to rule out a heart attack with tests.
Why do doctors write R/O?
It shows which possible diagnoses are being actively considered and investigated.
Where is R/O used?
It is used in assessments and plans in medical notes.