M77.3 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
M77.30
Calcaneal spur, unspecified foot
Billable
10
M77.31
Calcaneal spur, right foot
Billable
10
M77.32
Calcaneal spur, left foot
Billable