Villonodular synovitis (pigmented), left elbow

This code identifies a benign, proliferative condition of the synovial membrane in the left elbow joint, characterized by the formation of villous and nodular growths. These growths are often pigmented due to hemosiderin deposition, leading to joint pain, swelling, and restricted range of motion.

Apply this code when documentation explicitly states a diagnosis of pigmented villonodular synovitis (PVNS) affecting the left elbow. This diagnosis is typically confirmed through imaging studies (MRI) and/or synovial biopsy.

• Ensure laterality is accurately documented and coded; this code specifies the left elbow.
• Distinguish from other forms of synovitis or arthropathy; PVNS has distinct pathological features.
• Do not confuse with other benign or malignant soft tissue tumors of the elbow without specific PVNS diagnosis.