Effusion, right wrist

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

Use this code when documentation explicitly states "effusion of the right wrist" or "fluid in the right wrist joint." This diagnosis is typically supported by imaging findings (e.g., ultrasound, MRI) or physical examination notes describing joint swelling and fluid accumulation.

• Always specify laterality (right, left, bilateral) for wrist conditions.
• Do not code effusion as a primary diagnosis if the underlying cause is known and can be coded more specifically (e.g., rheumatoid arthritis with effusion).
• Look for documentation of the underlying cause of the effusion to code it in conjunction with this code, if applicable.