S53: Dislocation and sprain of joints and ligaments of elbow
S53.3: Traumatic rupture of ulnar collateral ligament

excludes1
sprain of ulnar collateral ligament (S53.44-)
S53.30: Traumatic rupture of unspecified ulnar collateral ligament
S53.31: Traumatic rupture of right ulnar collateral ligament
S53.32: Traumatic rupture of left ulnar collateral ligament

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