ICD-10: M86.27

Subacute osteomyelitis, ankle and foot

Additional Information

Approximate Synonyms

Subacute osteomyelitis, particularly in the context of the ankle and foot, is classified under the ICD-10 code M86.271. This condition refers to a bone infection that occurs in a subacute phase, typically characterized by a gradual onset of symptoms. Understanding alternative names and related terms can enhance clarity in medical documentation and communication. Below are some relevant terms and synonyms associated with this condition.

Alternative Names for Subacute Osteomyelitis

  1. Chronic Osteomyelitis: While technically distinct, chronic osteomyelitis can sometimes be used interchangeably in discussions about prolonged infections, especially if the subacute phase progresses without resolution.

  2. Bone Infection: A general term that encompasses various types of osteomyelitis, including subacute forms.

  3. Subacute Bone Infection: This term emphasizes the subacute nature of the infection, distinguishing it from acute or chronic forms.

  4. Subacute Osteomyelitis of the Foot: A more specific term that highlights the location of the infection.

  5. Subacute Osteomyelitis of the Ankle: Similar to the above, this term focuses on the ankle as the primary site of infection.

  1. ICD-10 Code M86.27: This is the broader category under which M86.271 falls, encompassing subacute osteomyelitis in various locations.

  2. ICD-10-CM Code M86.2: This code represents subacute osteomyelitis without specifying the location, which can include the ankle and foot.

  3. Osteomyelitis: A general term for bone inflammation due to infection, which can be acute, subacute, or chronic.

  4. Infectious Osteomyelitis: This term highlights the infectious nature of the condition, applicable to all forms of osteomyelitis.

  5. Localized Osteomyelitis: This term may be used to describe osteomyelitis that is confined to a specific area, such as the ankle or foot.

  6. Post-Surgical Osteomyelitis: If the subacute osteomyelitis follows a surgical procedure, this term may be relevant.

  7. Diabetic Foot Osteomyelitis: In cases where the patient has diabetes, this term may be used to describe osteomyelitis that occurs in the foot due to complications from the disease.

Conclusion

Understanding the alternative names and related terms for ICD-10 code M86.271 is crucial for accurate diagnosis, treatment, and documentation in medical settings. These terms not only facilitate clearer communication among healthcare professionals but also enhance patient understanding of their condition. If you have further questions or need additional information on this topic, feel free to ask!

Diagnostic Criteria

The diagnosis of subacute osteomyelitis, particularly in the ankle and foot, is guided by specific clinical criteria and diagnostic codes, such as ICD-10 code M86.27. Understanding these criteria is essential for accurate diagnosis and treatment. Below, we explore the key aspects involved in diagnosing subacute osteomyelitis.

Clinical Presentation

Symptoms

Patients with subacute osteomyelitis typically present with a range of symptoms, which may include:
- Localized pain: Often in the ankle or foot, which may worsen with movement.
- Swelling: Inflammation around the affected area.
- Redness and warmth: Signs of infection in the skin overlying the bone.
- Fever: Although not always present, systemic symptoms can occur.

Duration of Symptoms

Subacute osteomyelitis is characterized by a duration of symptoms that is longer than acute osteomyelitis but shorter than chronic osteomyelitis, typically lasting from a few days to several weeks[1].

Diagnostic Criteria

Medical History

A thorough medical history is crucial. Factors to consider include:
- Previous infections: History of skin infections or previous osteomyelitis.
- Underlying conditions: Diabetes, vascular disease, or immunocompromised states that may predispose to infection.
- Recent trauma or surgery: Any recent injury or surgical procedure in the area can be significant.

Physical Examination

A detailed physical examination should focus on:
- Palpation: Assessing for tenderness over the bone.
- Range of motion: Evaluating any limitations due to pain or swelling.
- Signs of systemic infection: Checking for fever or other systemic symptoms.

Imaging Studies

Imaging plays a critical role in diagnosis:
- X-rays: Initial imaging to identify any bone changes, such as lytic lesions or periosteal reaction.
- MRI: More sensitive for detecting bone marrow edema and soft tissue involvement, which are indicative of osteomyelitis.
- CT scans: Useful for assessing complex anatomy and detecting abscesses.

Laboratory Tests

Laboratory investigations can support the diagnosis:
- Blood tests: Elevated white blood cell count and inflammatory markers (e.g., CRP, ESR) may indicate infection.
- Bone biopsy: In some cases, a biopsy may be necessary to confirm the presence of infection and identify the causative organism.

ICD-10 Coding

The ICD-10 code M86.27 specifically refers to subacute osteomyelitis of the ankle and foot. Accurate coding is essential for proper documentation and billing. The criteria for this code include:
- Confirmation of the diagnosis through clinical, imaging, and laboratory findings.
- Documentation of the specific location (ankle and foot) of the osteomyelitis.

Conclusion

Diagnosing subacute osteomyelitis in the ankle and foot involves a comprehensive approach that includes clinical evaluation, imaging studies, and laboratory tests. The ICD-10 code M86.27 is used to classify this condition, emphasizing the importance of accurate diagnosis for effective treatment and management. If you suspect subacute osteomyelitis, it is crucial to consult a healthcare professional for a thorough assessment and appropriate intervention[1].

Treatment Guidelines

Subacute osteomyelitis, particularly in the ankle and foot, is a condition characterized by the inflammation and infection of the bone, typically following a period of acute infection. The ICD-10 code M86.27 specifically refers to this condition, and its management involves a combination of medical and surgical approaches tailored to the severity and duration of the infection.

Diagnosis and Assessment

Before initiating treatment, a thorough diagnosis is essential. This typically includes:

  • Clinical Evaluation: Assessing symptoms such as localized pain, swelling, redness, and fever.
  • Imaging Studies: X-rays, MRI, or CT scans can help visualize bone changes and the extent of the infection.
  • Laboratory Tests: Blood tests and cultures from the affected area can identify the causative organism and guide antibiotic therapy.

Standard Treatment Approaches

1. Antibiotic Therapy

Antibiotic treatment is the cornerstone of managing subacute osteomyelitis. The choice of antibiotics is guided by:

  • Culture Results: Identifying the specific bacteria involved allows for targeted therapy.
  • Empirical Therapy: In cases where cultures are not yet available, broad-spectrum antibiotics may be initiated. Common choices include:

  • Cefazolin: Effective against many gram-positive bacteria.

  • Vancomycin: Used for suspected methicillin-resistant Staphylococcus aureus (MRSA) infections.
  • Piperacillin-tazobactam: Covers a broad range of organisms, including gram-negative bacteria.

The duration of antibiotic therapy typically ranges from 4 to 6 weeks, depending on the clinical response and severity of the infection[1][2].

2. Surgical Intervention

In cases where there is significant necrotic bone or abscess formation, surgical intervention may be necessary. This can include:

  • Debridement: Removal of infected and necrotic tissue to promote healing and allow antibiotics to penetrate effectively.
  • Partial Excision: In some cases, partial excision of the affected bone may be required to eliminate the source of infection[3].

3. Supportive Care

Supportive measures are crucial in the management of subacute osteomyelitis:

  • Pain Management: Analgesics and anti-inflammatory medications can help manage pain and swelling.
  • Immobilization: Keeping the affected limb immobilized may be necessary to reduce pain and prevent further injury.
  • Nutritional Support: Adequate nutrition supports the healing process, especially in patients with chronic conditions or malnutrition.

4. Follow-Up and Monitoring

Regular follow-up is essential to monitor the response to treatment. This may involve:

  • Clinical Assessments: Evaluating symptoms and signs of infection.
  • Imaging Studies: Repeat imaging may be necessary to assess the resolution of the infection and the integrity of the bone.

Conclusion

The management of subacute osteomyelitis in the ankle and foot (ICD-10 code M86.27) requires a comprehensive approach that includes antibiotic therapy, possible surgical intervention, and supportive care. Early diagnosis and appropriate treatment are critical to prevent complications and promote healing. Regular follow-up ensures that the treatment is effective and allows for timely adjustments if necessary. For optimal outcomes, a multidisciplinary approach involving orthopedic surgeons, infectious disease specialists, and primary care providers is often beneficial[4][5].

Description

ICD-10 code M86.27 refers to subacute osteomyelitis specifically affecting the ankle and foot. This condition is characterized by an infection of the bone that occurs in a subacute phase, which typically means it develops more gradually than acute osteomyelitis but is not chronic. Below is a detailed overview of the clinical description, diagnosis, and management of subacute osteomyelitis in this anatomical region.

Clinical Description

Definition

Subacute osteomyelitis is an inflammatory condition of the bone caused by infection, which can result from various factors, including trauma, surgery, or hematogenous spread from other infected sites. The term "subacute" indicates that the infection has been present for a longer duration than acute osteomyelitis, often ranging from several days to weeks, but it has not yet progressed to a chronic state.

Symptoms

Patients with subacute osteomyelitis of the ankle and foot may present with:
- Localized pain: Often worsening with movement or pressure.
- Swelling: In the affected area, which may be accompanied by warmth and redness.
- Fever: Low-grade fever may be present, but it is not always significant.
- Drainage: In some cases, there may be purulent drainage if there is an associated abscess.

Risk Factors

Several factors can predispose individuals to subacute osteomyelitis, including:
- Diabetes mellitus: Poorly controlled diabetes can lead to foot ulcers and subsequent infections.
- Peripheral vascular disease: Reduced blood flow can impair healing and increase infection risk.
- Recent surgery or trauma: Open fractures or surgical procedures can introduce bacteria into the bone.
- Immunocompromised states: Conditions that weaken the immune system can increase susceptibility to infections.

Diagnosis

Clinical Evaluation

Diagnosis typically involves a thorough clinical evaluation, including:
- History taking: Assessing for risk factors, recent injuries, or surgeries.
- Physical examination: Checking for signs of infection, such as swelling, tenderness, and warmth.

Imaging Studies

Imaging plays a crucial role in diagnosing subacute osteomyelitis:
- X-rays: Initial imaging to identify any bone changes, although early changes may not be visible.
- MRI: More sensitive for detecting bone marrow edema and soft tissue involvement.
- CT scans: Useful for assessing complex anatomy and detecting abscesses.

Laboratory Tests

  • Blood tests: May show elevated white blood cell counts and inflammatory markers (e.g., ESR, CRP).
  • Bone biopsy: In some cases, a biopsy may be necessary to identify the causative organism and guide antibiotic therapy.

Management

Antibiotic Therapy

The cornerstone of treatment for subacute osteomyelitis is appropriate antibiotic therapy, which may be guided by culture results. Empirical treatment often includes broad-spectrum antibiotics until specific pathogens are identified.

Surgical Intervention

In cases where there is significant necrotic tissue or abscess formation, surgical intervention may be required:
- Debridement: Removal of infected and necrotic tissue to promote healing.
- Partial excision: In severe cases, partial excision of the affected bone may be necessary.

Supportive Care

  • Wound care: Proper management of any associated wounds or ulcers is critical.
  • Pain management: Analgesics may be prescribed to manage pain effectively.
  • Monitoring: Regular follow-up to assess the response to treatment and adjust as necessary.

Conclusion

Subacute osteomyelitis of the ankle and foot (ICD-10 code M86.27) is a significant condition that requires prompt diagnosis and management to prevent complications. Understanding the clinical presentation, diagnostic methods, and treatment options is essential for healthcare providers to effectively address this infection and improve patient outcomes. Early intervention can lead to better recovery and reduce the risk of chronic osteomyelitis or other complications associated with untreated infections.

Clinical Information

Subacute osteomyelitis, particularly in the ankle and foot, is a significant clinical condition characterized by a range of symptoms and patient characteristics. This condition is classified under the ICD-10 code M86.27, which specifically denotes subacute osteomyelitis affecting the lower extremities. Understanding the clinical presentation, signs, symptoms, and patient characteristics associated with this condition is crucial for effective diagnosis and management.

Clinical Presentation

Subacute osteomyelitis typically presents with a gradual onset of symptoms, which can vary based on the patient's age, underlying health conditions, and the specific location of the infection. The condition often arises following a recent injury, surgery, or in the context of systemic diseases such as diabetes.

Signs and Symptoms

  1. Localized Pain: Patients often report persistent pain in the affected area, which may worsen with movement or pressure. The pain is usually described as throbbing or aching and can be accompanied by tenderness upon palpation of the affected site[1].

  2. Swelling and Inflammation: There is often noticeable swelling around the ankle or foot, which may be accompanied by redness and warmth. This inflammation is a response to the infection and can lead to significant discomfort[1][2].

  3. Fever and Systemic Symptoms: While fever may not be as pronounced in subacute cases compared to acute osteomyelitis, some patients may still experience low-grade fever, malaise, or fatigue, indicating a systemic response to the infection[2].

  4. Drainage or Sinus Tract Formation: In some cases, there may be drainage from the site of infection, particularly if there is an associated abscess or sinus tract. This drainage can be purulent and may have a foul odor, indicating the presence of bacteria[1].

  5. Limited Range of Motion: Patients may exhibit a reduced range of motion in the affected ankle or foot due to pain and swelling, which can impact daily activities and mobility[2].

Patient Characteristics

  1. Age: Subacute osteomyelitis can occur in individuals of any age, but it is more commonly seen in children and older adults. In children, it may follow trauma or hematogenous spread, while in older adults, it is often associated with chronic conditions[3].

  2. Underlying Health Conditions: Patients with diabetes mellitus, peripheral vascular disease, or immunocompromised states are at a higher risk for developing osteomyelitis. These conditions can impair blood flow and immune response, making it easier for infections to establish[3][4].

  3. History of Trauma or Surgery: A significant number of cases are linked to prior trauma, surgical procedures, or open fractures in the foot or ankle region. This history is crucial for clinicians when assessing the risk factors for osteomyelitis[4].

  4. Chronic Conditions: Patients with chronic foot ulcers or those undergoing dialysis are also at increased risk for subacute osteomyelitis due to compromised skin integrity and immune function[3].

Conclusion

Subacute osteomyelitis of the ankle and foot, classified under ICD-10 code M86.27, presents with a range of clinical signs and symptoms that can significantly impact a patient's quality of life. Recognizing the typical presentation, including localized pain, swelling, and potential drainage, alongside understanding patient characteristics such as age and underlying health conditions, is essential for timely diagnosis and effective management. Early intervention can help prevent complications and improve outcomes for affected individuals.

For further management, healthcare providers should consider imaging studies and laboratory tests to confirm the diagnosis and guide treatment strategies, which may include antibiotics and, in some cases, surgical intervention[2][4].

Related Information

Approximate Synonyms

  • Chronic Osteomyelitis
  • Bone Infection
  • Subacute Bone Infection
  • Subacute Osteomyelitis of the Foot
  • Subacute Osteomyelitis of the Ankle
  • Localized Osteomyelitis
  • Post-Surgical Osteomyelitis
  • Diabetic Foot Osteomyelitis

Diagnostic Criteria

  • Localized pain in ankle or foot
  • Swelling around affected area
  • Redness and warmth over skin
  • Fever may be present
  • Duration of symptoms few days to weeks
  • Previous infections or conditions
  • Recent trauma or surgery nearby
  • Palpation tenderness over bone
  • Range of motion limitations due pain
  • Signs of systemic infection present
  • X-rays identify bone changes
  • MRI detects bone marrow edema and soft tissue involvement
  • CT scans assess complex anatomy and abscesses
  • Blood tests show elevated white blood cell count
  • Elevated inflammatory markers (CRP, ESR)
  • Bone biopsy confirms infection and causative organism

Treatment Guidelines

  • Antibiotic therapy cornerstone of management
  • Cefazolin effective against gram-positive bacteria
  • Vancomycin used for MRSA infections
  • Piperacillin-tazobactam covers broad range of organisms
  • Debridement removes infected and necrotic tissue
  • Partial excision eliminates source of infection
  • Supportive care includes pain management
  • Immobilization reduces pain and prevents injury
  • Nutritional support aids healing process

Description

Clinical Information

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