M22.4
Chondromalacia patellae
Clinical Information
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A degeneration of the articular cartilage of the patella, caused by a decrease in sulfated mucopolysaccharides in the ground substance. When accompanied by pain, it is sometimes considered part of or confused with patellofemoral pain syndrome.
Details
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M22.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
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The 2023 edition of ICD-10-CM M22.4 became effective on October 1, 2022.
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This is the American ICD-10-CM version of M22.4 – other international versions of ICD-10 M22.4 may differ.