S52.234F Nondisplaced oblique fracture of shaft of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

Name of the Condition

• Nondisplaced oblique fracture of shaft of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

Summary

A nondisplaced oblique fracture of the shaft of the right ulna is a break in the long, straight portion of the right ulna bone (one of the two forearm bones) where the fracture line runs at an angle across the bone, and the bone fragments remain aligned. This type of fracture is classified as an open fracture type IIIA, IIIB, or IIIC, indicating significant soft tissue damage, and is documented as a subsequent encounter for treatment with routine healing, meaning the fracture is progressing as expected without complications.

Causes

Direct trauma to the forearm, such as from a fall, blow, or accident. High-impact injuries, including sports-related incidents or motor vehicle collisions. Indirect forces transmitted through the wrist or elbow, potentially causing an angled break in the ulna shaft.

Risk Factors

• Participation in contact sports or activities with a high risk of falls.
• Osteoporosis or other conditions that weaken bone density.
• Previous fractures or bone abnormalities that may predispose to injury.
• Advanced age, which can reduce bone strength.

Symptoms

• Pain and tenderness localized to the forearm.
• Swelling and bruising around the injured area.
• Difficulty moving the arm, wrist, or hand due to pain or instability.
• Possible visible wound or soft tissue damage from the open fracture.

Diagnosis

Physical examination to assess tenderness, swelling, and range of motion. Imaging tests, such as X-rays, to confirm the fracture type and alignment. Evaluation of the open wound to determine the severity of soft tissue injury and classify the fracture as type IIIA, IIIB, or IIIC.

Treatment Options

Immobilization with a cast or splint to stabilize the fracture. Wound care for the open fracture to prevent infection. Pain management with medications. Physical therapy to restore strength and mobility once healing allows. Surgical intervention may be required for severe soft tissue damage or unstable fractures.

Prognosis and Follow-Up

With routine healing, the fracture typically heals within 6–8 weeks. Follow-up appointments monitor healing progress and adjust treatment as needed. Most patients regain full function, but recovery may be prolonged due to the severity of the open fracture.

Complications

Infection at the wound site. Delayed healing or nonunion of the fracture. Nerve or blood vessel damage from the initial injury. Chronic pain or stiffness in the forearm.

Lifestyle & Prevention

Avoid high-risk activities until fully healed. Use protective gear during sports or work. Maintain bone health with a balanced diet and exercise. Follow post-injury care instructions to support healing.

When to Seek Professional Help

Increased pain, swelling, or redness around the wound. Signs of infection, such as fever or pus. Numbness or tingling in the hand or fingers. Difficulty moving the arm or wrist after immobilization.

Tips for Medical Coders

Document the fracture type (IIIA, IIIB, or IIIC) and confirm routine healing to support the code. Include details of the subsequent encounter, such as follow-up visits or adjustments to treatment. Ensure alignment with clinical notes to reflect the fracture’s status and healing progress.