Patient presents with complaints of left wrist pain following a fall onto an outstretched hand.  The patient reports localized tenderness and swelling over the ulnar aspect of the wrist.  Mechanism of injury consistent with a fall on outstretched hand FOOSH.  Physical examination reveals point tenderness over the ulnar styloid,  ecchymosis, and mild edema.  Range of motion is limited due to pain, particularly with ulnar deviation and wrist flexion.  No crepitus is appreciated.  Neurovascular exam of the hand is intact, with capillary refill less than 2 seconds and normal sensation in the median, ulnar, and radial nerve distributions.  Radiographic imaging of the left wrist AP, lateral, and oblique views demonstrates a nondisplaced fracture of the ulnar styloid process.  Diagnosis of ulnar styloid fracture confirmed.  Differential diagnoses considered included wrist sprain, distal radius fracture, and triangular fibrocartilage complex TFCC injury.  Treatment plan includes immobilization with a volar splint, ice, elevation, and pain management with NSAIDs.  Patient education provided regarding activity modification and follow-up care.  Referral to orthopedics for definitive management and potential casting.  ICD-10 code S62.109A assigned for unspecified fracture of lower end of ulna, left side, initial encounter.  Return to clinic scheduled in one week for reevaluation and splint adjustment.