S42.144K Nondisplaced fracture of glenoid cavity of scapula, right shoulder, subsequent encounter for fracture with nonunion

Name of the Condition

• Nondisplaced fracture of glenoid cavity of scapula, right shoulder, subsequent encounter for fracture with nonunion

Summary

A nondisplaced fracture of the glenoid cavity of the scapula, right shoulder, subsequent encounter for fracture with nonunion, refers to a break in the socket portion of the shoulder blade that articulates with the humerus, where the bone fragments remain in their normal anatomical alignment but have failed to heal properly. This condition involves damage to the glenoid, a shallow, concave structure critical for shoulder joint stability, and the "nonunion" designation indicates the fracture has not united after an expected healing period. The "subsequent encounter" modifier applies to follow-up care for this established nonhealing fracture.

Causes

Traumatic injury is the primary cause of this fracture. Common mechanisms include falls onto an outstretched arm, direct blows to the shoulder, or high-impact events such as motor vehicle accidents. Sports-related collisions or forceful impacts during physical activities may also result in this type of fracture. Nonunion can occur due to inadequate immobilization, poor blood supply to the fracture site, infection, or excessive motion during healing.

Risk Factors

• Participation in contact sports or activities with a high risk of falls.
• Osteoporosis or other bone-weakening conditions.
• Advanced age, which may increase susceptibility to fractures from minor trauma.
• Previous shoulder injuries that affect bone integrity.
• Smoking or poor nutrition, which can impair bone healing.

Symptoms

• Persistent pain in the shoulder or upper back, especially with movement.
• Swelling, bruising, or tenderness over the shoulder joint.
• Limited range of motion in the shoulder.
• A sense of instability or weakness in the shoulder.
• Possible clicking or grinding sensations during shoulder movement.

Diagnosis

Diagnosis typically involves a physical examination to assess pain, swelling, and range of motion, followed by imaging studies. X-rays are used to confirm the fracture and evaluate alignment, while CT scans or MRI may be ordered to assess bone healing and detect nonunion. The healthcare provider will review the patient’s history of the initial injury and previous treatments to determine the cause of nonunion.

Treatment Options

Treatment depends on the severity of nonunion and functional impairment. Options may include immobilization with a sling or brace to stabilize the fracture, physical therapy to restore strength and mobility, or surgical intervention such as bone grafting, internal fixation, or joint reconstruction. Pain management and addressing underlying risk factors (e.g., osteoporosis) are also part of the treatment plan.

Prognosis and Follow-Up

Prognosis varies based on the extent of nonunion and response to treatment. With appropriate intervention, many patients can achieve improved function and reduced pain. Follow-up care is essential to monitor healing, adjust treatment, and address complications. Regular imaging and clinical evaluations help track progress and guide further management.

Complications

• Chronic pain or instability in the shoulder.
• Reduced range of motion or functional impairment.
• Increased risk of arthritis in the shoulder joint over time.
• Potential need for additional surgeries if nonunion persists.
• Infection, particularly if surgical intervention is required.

Lifestyle & Prevention

• Avoid high-impact activities or contact sports until cleared by a healthcare provider.
• Follow a balanced diet rich in calcium and vitamin D to support bone health.
• Quit smoking, as it impairs bone healing.
• Use proper safety equipment during activities to reduce injury risk.
• Engage in regular, low-impact exercises to maintain shoulder strength and flexibility once healed.

When to Seek Professional Help

Seek medical attention if you experience worsening pain, increased swelling, new bruising, or difficulty moving the shoulder. Prompt evaluation is important if you notice signs of infection (e.g., fever, redness, or drainage) or if the shoulder feels unstable. Follow up with your healthcare provider as scheduled to monitor healing and address concerns.

Tips for Medical Coders

This code (S42.144K) is used for a nondisplaced fracture of the glenoid cavity of the scapula, right shoulder, during a subsequent encounter for fracture with nonunion. Documentation should clearly indicate the fracture’s nondisplaced nature, the right shoulder involvement, and the nonunion status. The "subsequent encounter" modifier applies to follow-up care after the initial injury, and coders must verify that the encounter aligns with the fracture’s healing timeline and nonunion diagnosis. Ensure all relevant clinical details are documented to support accurate coding.