M86.66
M86.66: Other chronic osteomyelitis, tibia and fibula
Non-billable headerICD-10-CM
M86.66 is a non-billable header ICD-10-CM code for other chronic osteomyelitis, tibia and fibula. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 inherited from the categories above M86.66
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above M86.66
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead M86.66
3 child codes. Green means billable.
Other codes under M86.6
- M86.60Other chronic osteomyelitis, unspecified site
- M86.61Other chronic osteomyelitis, shoulder
- M86.62Other chronic osteomyelitis, humerus
- M86.63Other chronic osteomyelitis, radius and ulna
- M86.64Other chronic osteomyelitis, hand
- M86.65Other chronic osteomyelitis, thigh
- M86.67Other chronic osteomyelitis, ankle and foot
- M86.68Other chronic osteomyelitis, other site
- M86.69Other chronic osteomyelitis, multiple sites