Pseudocoxalgia, left hip

This code describes a condition affecting the left hip, characterized by symptoms mimicking Legg-Calve-Perthes disease but without the classic radiographic evidence of avascular necrosis of the femoral head. It is often a self-limiting condition of childhood, presenting with hip pain, limping, and restricted range of motion.

Use this code when documentation specifies pseudocoxalgia affecting the left hip, particularly in pediatric patients presenting with hip pain and a limp where imaging studies rule out Legg-Calve-Perthes disease or other specific hip pathologies. Supporting documentation should clearly indicate the diagnosis of pseudocoxalgia and laterality.

• Ensure the documentation explicitly states "pseudocoxalgia" and specifies the "left hip."
• Do not confuse this with Legg-Calve-Perthes disease (M91.1-), which involves avascular necrosis.
• Code any associated symptoms, such as limping (R26.2) or hip pain (M25.55-), as secondary diagnoses if documented.