728.79 is a billable ICD-9-CM medical code that can be used to specify a diagnosis on a reimbursement claim.
Diagnosis Definition(s)
A rapid growing, non-encapsulated benign neoplasm that arises from the soft tissues. It is characterized by the presence of non-hyperchromatic spindle-shaped fibroblasts, multinucleated osteoclast-like giant cells, chronic inflammatory infiltrate, red blood cell extravasation, and high mitotic activity, in a storiform growth pattern.