M86.662
BillableOther chronic osteomyelitis, left tibia and 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
0.000What This Code Means
A chronic bone infection affecting the left shin bone (tibia) and the smaller bone next to it (fibula) that has been ongoing.
Coding Tips
- •This code is specific to the left lower leg; confirm laterality in documentation before coding
- •Consider documenting the duration and any previous treatment attempts for this chronic infection
Clinical Significance
Left tibia and fibula chronic osteomyelitis represents a serious bone infection affecting the primary weight-bearing bones of the left lower leg. This condition significantly impacts patient mobility, requires prolonged treatment courses, and carries substantial risk for complications including treatment resistance and bone destruction.
Documentation Requirements
- ✓Clear documentation of chronic osteomyelitis diagnosis
- ✓Specific identification of left tibia and fibula involvement
- ✓Evidence of chronic nature through duration or recurrent episodes
- ✓Supporting imaging studies showing chronic osteomyelitis changes
- ✓Laboratory markers of infection or inflammation
- ✓Documentation of antimicrobial treatment history
- ✓Functional assessment including weight-bearing limitations
- ✓Identification of predisposing factors or underlying conditions
Commonly Confused Codes
Code Hierarchy
└M86Osteomyelitis└M86.6Other chronic osteomyelitis└M86.66Other chronic osteomyelitis, tibia and fibula└M86.662Other chronic osteomyelitis, left tibia and fibula
└M86.662Other chronic osteomyelitis, left tibia and fibula