Unspecified juvenile rheumatoid arthritis, unspecified knee

This code signifies a diagnosis of juvenile rheumatoid arthritis (JRA) where the specific type of JRA is not documented, and the affected joint is an unspecified knee. It indicates chronic inflammatory arthritis with onset before 16 years of age, presenting with knee involvement without further specification of the disease subtype.

This code is appropriate when documentation confirms a diagnosis of juvenile rheumatoid arthritis affecting the knee, but the physician has not specified the particular subtype (e.g., oligoarticular, polyarticular, systemic). It should be used when the medical record lacks sufficient detail to assign a more specific JRA code or a more precise knee laterality.

• Avoid using this code if the medical record specifies the type of juvenile idiopathic arthritis (JIA) or the laterality of the affected knee.
• Always query the provider for more specificity regarding the JIA subtype and knee laterality to allow for a more precise code assignment.
• This code is a "catch-all" for unspecified cases; strive for more specific codes whenever possible based on available documentation.