M84.661 Pathological fracture in other disease, right tibiaNon-billable ICD-10-CM code.
M84.4 Pathological fracture, not elsewhere classified ("pathological fracture in other disease (M84.6-)")M84.659G Pathological fracture in other disease, hip, unspecified, subsequent encounter for fracture with delayed healingM84.659K Pathological fracture in other disease, hip, unspecified, subsequent encounter for fracture with nonunionM84.659P Pathological fracture in other disease, hip, unspecified, subsequent encounter for fracture with malunionM84.659S Pathological fracture in other disease, hip, unspecified, sequelaM84.66 Pathological fracture in other disease, tibia and fibulaM84.661 Pathological fracture in other disease, right tibia (this code)M84.661A Pathological fracture in other disease, right tibia, initial encounter for fractureM84.661D Pathological fracture in other disease, right tibia, subsequent encounter for fracture with routine healingM84.661G Pathological fracture in other disease, right tibia, subsequent encounter for fracture with delayed healingM84.661K Pathological fracture in other disease, right tibia, subsequent encounter for fracture with nonunionM84.661P Pathological fracture in other disease, right tibia, subsequent encounter for fracture with malunion