Effusion, right elbow

This code signifies the presence of excess fluid within the right elbow joint capsule. This accumulation can lead to swelling, pain, and restricted range of motion in the affected joint. It is a non-specific finding that indicates an underlying inflammatory or traumatic process.

This code is appropriate when documentation clearly states "effusion of the right elbow" or similar terminology. It is used to describe the objective finding of fluid accumulation, often noted during physical examination or confirmed by imaging studies such as ultrasound or MRI.

• Always specify laterality (right, left, bilateral) for elbow conditions.
• This code describes a symptom; always look for and code the underlying cause of the effusion if known (e.g., osteoarthritis, trauma, infection).
• Do not confuse with synovitis (M65.821), which refers to inflammation of the synovial membrane itself, though effusion often accompanies synovitis.