M90.662
BillableOsteitis deformans in neoplastic diseases, left 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 the left lower leg (tibia, fibula, or surrounding bone) caused by cancer or other neoplastic diseases.
Coding Tips
- •Verify left lower leg laterality is clearly documented to avoid miscoding as right lower leg (M90.661)
- •Always include the primary neoplastic disease code to establish the underlying cause of the bone deformity
Code Hierarchy
└M90Osteopathies in diseases classified elsewhere└M90.6Osteitis deformans in neoplastic diseases└M90.66Osteitis deformans in neoplastic diseases, lower leg└M90.662Osteitis deformans in neoplastic diseases, left lower leg
└M90.662Osteitis deformans in neoplastic diseases, left lower leg