Fibrous blood-filled cyst in the bone. Although benign it can be destructive causing deformity and fractures.
M85.5 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 M85.5 became effective on October 1, 2022.
This is the American ICD-10-CM version of M85.5 – other international versions of ICD-10 M85.5 may differ.