ICD-10-CM Billable Code

M93.21

Osteochondritis dissecans of shoulder

Clinical Classification Guidelines

Medical Intelligence & Overview

Osteochondritis dissecans of the shoulder is a joint condition where small segments of bone and cartilage become damaged or detached from the main bone within the shoulder joint. This condition can cause pain, swelling, and instability in the shoulder, impacting daily activities and athletic pursuits. It primarily affects adolescents and young adults but can occur at any age. Recognizing the signs early and understanding the causes and treatment options can help manage the symptoms effectively.

Causes & Symptoms

Clinical Causes: Repetitive shoulder stress or overuse, especially in athletes involved in overhead sports like baseball, tennis, or swimming. Trauma or injury to the shoulder, such as a fall or direct blow. Impaired blood supply to the subchondral bone, leading to bone and cartilage damage. Genetic predisposition or developmental abnormalities that affect joint cartilage and bone resilience. Rapid growth spurts during adolescence can sometimes contribute to the development of osteochondritis dissecans.

Key Symptoms: Persistent shoulder pain, especially during activity or movement. Swelling around the shoulder joint. A feeling of catching, locking, or instability when moving the shoulder. Reduced range of motion in the shoulder, making it difficult to perform everyday tasks. Weakness or a sense of the shoulder giving way.

Diagnostic & Treatment

Diagnosis Path: X-rays: To visualize bone fragments and joint alignment. Magnetic Resonance Imaging (MRI): Provides detailed images of bone and cartilage to identify loose fragments or damage. Possibly, a CT scan may be used for detailed bone assessment if necessary.

Treatment Protocols: Rest and activity modification to reduce stress on the shoulder. Non-steroidal anti-inflammatory drugs (NSAIDs) to alleviate pain and swelling. Physical therapy to strengthen shoulder muscles and improve flexibility. In cases where loose fragments are present, surgical intervention may be necessary: Arthroscopic surgery to remove loose bone or cartilage fragments. Surgical fixation if the detached fragment is viable and can be reattached. Bone grafting procedures, if needed, to promote healing of the affected bone.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is M93.21 a billable ICD-10 code?
Yes, M93.21 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report M93.21?
Clinical documentation must specify the nature of Osteochondritis dissecans of shoulder and any associated comorbidities for accurate reporting.

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