M87.265
BillableOsteonecrosis due to previous trauma, left 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 left smaller bone of the lower leg (fibula) caused by a previous injury or trauma to that area.
Coding Tips
Clinical Significance
Left fibular osteonecrosis secondary to trauma affects the lateral support bone of the lower leg, potentially compromising ankle stability and normal gait pattern. This condition requires monitoring for progression and may necessitate orthopedic intervention to prevent further complications.
Documentation Requirements
- ✓Clear identification of left fibula involvement
- ✓Documentation of previous trauma to left lower leg area
- ✓Evidence of bone necrosis in left fibular structures
- ✓Assessment of ankle function and stability
- ✓Current pain assessment and mobility evaluation
- ✓Any concurrent tibial or ankle pathology
- ✓Treatment attempts and patient response
- ✓Impact on gait and weight-bearing activities
Commonly Confused Codes
M87.264 — Osteonecrosis due to previous trauma, right fibula (wrong laterality)M87.266 — Osteonecrosis due to previous trauma, unspecified fibula (when laterality is known)M87.262 — Osteonecrosis due to previous trauma, left tibia (different bone)M87.365 — Other secondary osteonecrosis, left fibula (non-traumatic secondary cause)M84.362A — Stress fracture, left fibula (acute injury versus chronic necrosis)
Code Hierarchy
└M87Osteonecrosis└M87.2Osteonecrosis due to previous trauma└M87.26Osteonecrosis due to previous trauma, tibia and fibula└M87.265Osteonecrosis due to previous trauma, left fibula
└M87.265Osteonecrosis due to previous trauma, left fibula