M87.329
Other secondary osteonecrosis, unspecified humerus
Clinical Classification Guidelines
Medical Intelligence & Overview
ICD-10 code M87.329 refers to a condition known as other secondary osteonecrosis of the unspecified humerus. Osteonecrosis, also called avascular necrosis, is a condition where bone tissue dies due to a lack of blood supply. When it affects the upper arm bone (humerus) without a specific cause identified, and is classified as secondary, this condition falls under this ICD-10 code. It is considered a serious condition that may lead to joint pain, reduced mobility, and bone collapse if left untreated.
Causes & Symptoms
Clinical Causes: Trauma or injury compromising blood flow to the humerus Use of high-dose corticosteroids Chronic alcohol use Blood disorders such as sickle cell disease Certain autoimmune diseases, including lupus Radiation therapy Decompression sickness in divers Other medical conditions or treatments that impair blood circulation to the bone
Key Symptoms: Gradual onset of shoulder or upper arm pain Pain that worsens with activity or movement Limited range of motion in the shoulder Weakness in the affected arm Swelling or tenderness around the shoulder joint Possible joint stiffness In advanced stages, joint collapse may occur leading to deformity
Diagnostic & Treatment
Diagnosis Path: Medical history review to identify risk factors or previous trauma Physical examination assessing joint mobility and pain responses Imaging tests such as X-rays to visualize bone integrity and detect collapse Magnetic Resonance Imaging (MRI), which is more sensitive for early detection of bone changes Additional tests may include bone scans or biopsy in certain cases
Treatment Protocols: Conservative approaches such as activity modification and pain management with medications Physical therapy to maintain joint flexibility and muscle strength Pharmacologic treatments like bisphosphonates to slow bone degeneration Assisted devices or braces to support joint stability Surgical interventions such as core decompression to reduce intraosseous pressure or bone grafting Joint replacement surgery, such as shoulder arthroplasty, in cases of severe joint destruction
Clinical Advice & FAQs
Billing Guidance
Is M87.329 a billable ICD-10 code?
Yes, M87.329 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report M87.329?
Clinical documentation must specify the nature of Other secondary osteonecrosis, unspecified humerus and any associated comorbidities for accurate reporting.
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