M87.86
Other osteonecrosis, tibia and fibula
Clinical Classification Guidelines
Medical Intelligence & Overview
Osteonecrosis, also known as avascular necrosis, occurs when blood flow to a bone is reduced or interrupted, leading to the death of bone tissue. When this condition affects the tibia (shinbone) and fibula (the smaller bone located next to the tibia in the lower leg), it is classified under ICD-10 code M87.86. This form of osteonecrosis can impair joint function and cause significant pain and disability if not properly managed. It is considered a rare but serious condition that requires precise diagnosis and treatment.
Causes & Symptoms
Clinical Causes: Trauma or injury that damages blood vessels supplying the tibia and fibula Use of high-dose corticosteroids over a prolonged period Chronic alcohol consumption leading to impaired blood flow Blood clotting disorders which obstruct blood supply Certain medical conditions such as sickle cell disease Infections that affect bone tissue Radiation therapy in the area of the lower leg
Key Symptoms: Gradual onset of deep, aching pain in the affected area Swelling and tenderness around the lower leg bones Limited range of motion in nearby joints, especially the ankle and knee Weakness or a feeling of instability in the lower leg Pain that worsens with activity and eases with rest Possible visible deformity if the bone collapses or deforms over time
Diagnostic & Treatment
Diagnosis Path: Diagnosing osteonecrosis of the tibia and fibula involves a combination of clinical evaluation and imaging tests. Physicians may perform physical examinations to check for tenderness, swelling, and movement restrictions. Imaging studies include:
Treatment Protocols: Managing osteonecrosis of the tibia and fibula aims to relieve pain, halt the progression of bone damage, and restore function. Treatment strategies include:
Clinical Advice & FAQs
Billing Guidance
Is M87.86 a billable ICD-10 code?
Yes, M87.86 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report M87.86?
Clinical documentation must specify the nature of Other osteonecrosis, tibia and fibula and any associated comorbidities for accurate reporting.
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