M90.669
BillableOsteitis deformans in neoplastic diseases, unspecified lower leg
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Bone deformity and inflammation in an unspecified lower leg caused by cancer or other neoplastic diseases when the specific leg is not documented.
Coding Tips
- •Use only when laterality cannot be determined from available documentation; attempt to clarify with provider
- •Ensure the underlying neoplastic disease is coded separately to provide complete clinical context
Code Hierarchy
└M90Osteopathies in diseases classified elsewhere└M90.6Osteitis deformans in neoplastic diseases└M90.66Osteitis deformans in neoplastic diseases, lower leg└M90.669Osteitis deformans in neoplastic diseases, unspecified lower leg
└M90.669Osteitis deformans in neoplastic diseases, unspecified lower leg