M86.269
BillableSubacute osteomyelitis, unspecified 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 bone infection in the shin bone and smaller bone of the lower leg with unclear or unspecified side that develops gradually.
Coding Tips
- •Use only when laterality cannot be determined; query provider for clarification when possible
- •Ensure imaging or clinical findings support the diagnosis of osteomyelitis
Clinical Significance
Subacute osteomyelitis of unspecified tibia and fibula represents an intermediate-phase bone infection developing over weeks to months where laterality cannot be determined from documentation. This condition significantly impacts lower extremity function and carries risk of progression to chronic infection requiring prolonged treatment and potential surgical intervention.
Documentation Requirements
- ✓Documentation of subacute osteomyelitis involving tibia and/or fibula
- ✓Evidence that laterality is unspecified or unknown
- ✓Clinical timeline consistent with subacute infection (weeks to months)
- ✓Imaging findings supporting lower leg bone infection
- ✓Laboratory evidence of ongoing infectious process
- ✓Culture and sensitivity results when obtainable
- ✓Assessment of functional impact on weight-bearing and ambulation
- ✓Documentation of treatment response and disease progression
Commonly Confused Codes
Code Hierarchy
└M86Osteomyelitis└M86.2Subacute osteomyelitis└M86.26Subacute osteomyelitis, tibia and fibula└M86.269Subacute osteomyelitis, unspecified tibia and fibula
└M86.269Subacute osteomyelitis, unspecified tibia and fibula