M87.264
BillableOsteonecrosis due to previous trauma, right fibula
HCC Category Mapping
V28HCC 92 — Bone/Joint/Muscle Infections/Necrosis
0.209V24HCC 39 — Bone/Joint/Muscle Infections/Necrosis
0.482ESRDHCC 39 — Bone/Joint/Muscle Infections/Necrosis
0.000RxHCCHCC 80 — Bone/Joint/Muscle Infections/Necrosis
0.000What This Code Means
Death of bone tissue in the right smaller bone of the lower leg (fibula) caused by a previous injury or trauma to that area.
Coding Tips
Clinical Significance
Right fibular osteonecrosis following trauma affects the smaller weight-bearing bone of the lower leg, potentially impacting ankle stability and gait mechanics. While less critical than tibial involvement, this condition can still significantly affect patient function and may require specialized orthopedic intervention.
Documentation Requirements
- ✓Specific identification of right fibula involvement
- ✓Documentation of previous trauma to right lower leg
- ✓Clinical or radiological evidence of bone necrosis in fibular bone
- ✓Assessment of ankle stability and gait impact
- ✓Current pain levels and functional limitations
- ✓Any associated tibial or ankle complications
- ✓Treatment history and response to interventions
- ✓Impact on weight-bearing and ambulation
Commonly Confused Codes
M87.265 — Osteonecrosis due to previous trauma, left fibula (wrong laterality)M87.266 — Osteonecrosis due to previous trauma, unspecified fibula (when laterality is documented)M87.261 — Osteonecrosis due to previous trauma, right tibia (different bone)M87.364 — Other secondary osteonecrosis, right fibula (non-traumatic secondary cause)S82.401A — Unspecified fracture of shaft of right fibula (acute fracture)
Code Hierarchy
└M87Osteonecrosis└M87.2Osteonecrosis due to previous trauma└M87.26Osteonecrosis due to previous trauma, tibia and fibula└M87.264Osteonecrosis due to previous trauma, right fibula
└M87.264Osteonecrosis due to previous trauma, right fibula