M71.3

Applicable To

• Synovial cyst NOS

Clinical Information

• Non-neoplastic tumor-like lesions at joints, developed from the synovial membrane of a joint through the joint capsule into the periarticular tissues. They are filled with synovial fluid with a smooth and translucent appearance. A synovial cyst can develop from any joint, but most commonly at the back of the knee, where it is known as popliteal cyst.

• Tumor-like lesions at joints, developed from the synovial membrane of a joint

Details

• M71.3 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM M71.3 became effective on October 1, 2022.

• This is the American ICD-10-CM version of M71.3 – other international versions of ICD-10 M71.3 may differ.