1. Acc to degree
1.1. Complete
1.1.1. Soft tissue damage
1.1.1.1. Simple
1.1.1.1.1. Closed
1.1.1.2. Compound
1.1.1.2.1. First degree
1.1.1.2.2. Second degree
1.1.1.2.3. Third degree
1.1.1.3. Complicated
1.1.1.3.1. Injury of vital organ
1.1.1.3.2. Rupture of B.V
1.1.1.3.3. Opening of joint capsule
1.1.2. Number of fracture line
1.1.2.1. Single
1.1.2.2. Multiple
1.1.2.3. Comminuted
1.1.3. Shape of fracture line
1.1.3.1. Transverse
1.1.3.2. Oblique
1.1.3.3. Spiral
1.1.3.4. Longitudinal
1.1.4. Anatomical location of fracture
1.1.4.1. Diaphyseal
1.1.4.1.1. Fracture shaft of the bone
1.1.4.2. Metaphyseal
1.1.4.2.1. Fracture metaphysis of adult bone (proximal or distal)
1.1.4.3. Physeal
1.1.4.3.1. Type 1: fracture physis
1.1.4.3.2. Type 2: fracture physis + distal diaphysis
1.1.4.3.3. Type 3: fracture physis + epiphysis (aticular)
1.1.4.3.4. Type 4:fracture physis + epiphysis + distal diaphysis
1.1.4.3.5. Type 5: crushing injuries of physis not visible radiographically + physeal function ceases
1.1.4.4. Epiphyseal
1.1.4.4.1. Of mature bone
1.1.5. Displacement of bone fragment
1.1.5.1. Transverse
1.1.5.1.1. Move on a transverse line
1.1.5.2. Longitudinal
1.1.5.2.1. Move parallel to axis of the bone
1.1.5.3. Overlapped
1.1.5.3.1. One fragment riding the second one
1.1.5.4. Angular
1.1.5.4.1. Two fragment from Angel bet. Them
1.1.5.5. Impacted
1.1.5.5.1. The bone fragments are driven forcefully together
1.1.5.6. Compressed
1.1.5.6.1. Bone fragments are compressed against each other (vertebra)
1.1.5.7. Depressed
1.1.5.7.1. Fracture bone pushed inside cavity (skull fracture)
1.2. Incomplete
1.2.1. Fissure fracture
1.2.1.1. Single or multiple fissures in bone
1.2.1.2. Mature animal
1.2.2. Star fracture
1.2.2.1. Animal kick
1.2.2.2. Central point + radiating fissures
1.2.3. Deferred fracture
1.2.3.1. Periosteum intact
1.2.3.2. (Subperiosteal) separation of bone fragment without displacement
1.2.4. Green stick fracture
1.2.4.1. Young animal
1.2.4.2. One side broken and other side bent
1.2.5. Splintered or partial fracture
1.2.5.1. Periosteum rupture
1.2.5.2. Separation of bone fragment with displacement
2. Acc to stability
2.1. Stable
2.1.1. Transverse
2.1.2. Green stick
2.1.3. Impacted
2.1.3.1. Angular deformity
2.2. Unstable
2.2.1. Oblique
2.2.2. Spiral
2.2.3. Multiple