Transient synovitis, left hip

This code represents a self-limiting inflammatory condition affecting the synovial lining of the left hip joint, typically characterized by acute onset of hip pain and limping in children. It is a diagnosis of exclusion, meaning other more serious conditions must be ruled out.

Use this code for a patient presenting with acute, non-traumatic left hip pain and limping, where clinical examination and imaging (if performed) are consistent with transient synovitis. Documentation should clearly indicate the left hip as the affected joint and rule out septic arthritis, Legg-Calve-Perthes disease, or other significant hip pathology.

• Ensure documentation specifies "left hip" to support laterality.
• Do not use this code if a more definitive diagnosis, such as septic arthritis or avascular necrosis, is established.
• Consider sequencing this code as the primary diagnosis when it is the reason for the encounter, especially in pediatric patients.