Chronic postrheumatic arthropathy [Jaccoud], right knee

This diagnosis code signifies a chronic joint disease affecting the right knee, specifically a type of arthropathy that develops as a long-term complication following rheumatic fever. It is characterized by joint deformities and functional impairment, often without significant bone erosion. This condition is also known as Jaccoud's arthropathy.

This code is appropriate for patients presenting with persistent, non-erosive joint deformities and functional limitations in the right knee, with a documented history of rheumatic fever. Documentation should clearly indicate the chronic nature of the arthropathy and its association with a prior rheumatic event.

• Ensure documentation specifies "right knee" and a history of rheumatic fever to support the "postrheumatic" etiology.
• Distinguish from other forms of arthropathy, such as rheumatoid arthritis, which typically involves erosive changes.
• Consider sequencing this code after the acute rheumatic fever code (if applicable and still active) or as a primary diagnosis for chronic management.