| Classification | Description | Notes |
| Type 1 | <2mm displacement | Conservative treatment |
| Type 2 | >2 mm displacement | Conservative treatment if ROM preserved |
| Type 3 | Comminuted | Surgical treatment |
| Type 4 | Associated proximal radial dislocation | Surgical Treatment |
References:
Sheehan, S. E., et al. (2013). “Traumatic Elbow Injuries: What the Orthopedic Surgeon Wants to Know.” Radiographics 33(3): 869-888.
Johnston GW. (1962) “A follow-up of one hundred cases of fracture of the head of the radius with a review of the literature.” Ulster Med J 31:51–56.
Mason ML. (1954) “Some observations on fractures of the head of the radius with a review of one hundred cases.” Br J Surg 42(172):123–132.