Also effective July 1st, 2012 are two extra diagnosis codes:
For Knee Orthotic base codes: L-1830, L-1832, L-1834, L-1844, L-1845, and L-1846 two diagnosis codes have been added:
733.81 / 733.82 - Malunion of fracture - nonunion of fracture
905.4 - Late effect of fracture of lower extremities
This means post-op braces, OA knee braces, and functional knee braces can be used to treat slow-healing and/ or non-healing fractures.