Other specified disorders of cartilage, upper arm

This code signifies various non-traumatic, non-arthritic, and non-inflammatory conditions affecting the cartilage of the upper arm (humerus). It encompasses rare or unusual cartilaginous disorders not classified elsewhere, such as specific types of chondromalacia or degenerative changes localized to the humeral cartilage.

Apply this code when documentation specifies a disorder of the upper arm cartilage that doesn't fit into more specific ICD-10-CM categories (e.g., osteoarthritis, chondromalacia patellae). This code is appropriate for conditions like localized chondrolysis of the humeral head or other specified degenerative cartilaginous changes of the humerus.

• Requires physician documentation clearly stating "other specified" or a specific, rare cartilaginous disorder of the upper arm.
• Do not use for general osteoarthritis or inflammatory arthropathies; these have more specific codes.
• Always ensure laterality (left or right) is documented and coded with the appropriate 7th character.