Juvenile rheumatoid arthritis with systemic onset, unsp hip

This code signifies a diagnosis of juvenile idiopathic arthritis (JIA) of the systemic onset subtype, specifically affecting an unspecified hip joint. Systemic onset JIA is characterized by arthritis accompanied by fever, rash, lymphadenopathy, hepatosplenomegaly, or serositis. The "unspecified hip" indicates that the laterality (right or left) of the affected hip is not documented.

Use this code when documentation confirms a diagnosis of systemic onset juvenile idiopathic arthritis with involvement of a hip joint, but the medical record does not specify whether it is the right or left hip. This code is appropriate for initial and subsequent encounters where the systemic features and hip involvement are present. Supporting documentation includes physician notes detailing JIA diagnosis, systemic manifestations, and hip joint involvement.

• Ensure documentation explicitly states "systemic onset" JIA; otherwise, consider other JIA subtypes.
• Avoid this code if the laterality of the affected hip (right or left) is specified; instead, use the more specific codes for right (M08.251) or left (M08.252) hip.
• Always sequence this code after any codes for the systemic manifestations if they are being treated or evaluated concurrently.