Codes / ICD10CM / M84.371

M84.371 Stress fracture, right ankle

ICD10CM code

ICD10CM

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Name of the Condition

  • Common Name: Stress Fracture
  • Medical Term: Stress fracture of the right ankle

Summary

A stress fracture in the right ankle is a small crack or severe bruising within a bone. It's commonly caused by repetitive stress or overuse, often affecting athletes and individuals with high physical activity levels.

Causes

Repetitive force or overuse, often from high-impact activities like running or jumping. Sudden increase in physical activity intensity or volume. Poor technique or improper training methods.

Risk Factors

  • Engaging in high-impact sports such as track and field, basketball, or gymnastics
  • Having a bone condition such as osteoporosis
  • Poor physical condition, inadequate nutrition, or unsupportive footwear

Symptoms

  • Localized pain that develops gradually and worsens with weight-bearing activities
  • Swelling, tenderness, or bruising around the affected area
  • Pain that diminishes with rest

Diagnosis

Physical examination by a healthcare professional. Imaging tests such as X-rays, MRI, or bone scans to identify fractures not visible on standard X-rays.

Treatment Options

  • Rest and avoidance of activities that exacerbate the injury
  • Use of protective footwear or braces to stabilize the ankle
  • Physical therapy to strengthen surrounding muscles and improve flexibility
  • Gradual return to activity while monitoring for recurrence

Prognosis and Follow-Up

Most stress fractures heal with proper rest and treatment within 6–8 weeks. Follow-up care may include periodic imaging to confirm healing and gradual resumption of activity. Non-compliance with rest or premature return to high-impact activities can delay recovery.

Complications

  • Delayed healing or nonunion if not properly managed
  • Progression to a complete fracture with continued activity
  • Chronic pain or instability in the ankle

Lifestyle & Prevention

  • Gradually increase physical activity intensity to avoid overuse
  • Wear supportive, well-fitted footwear appropriate for the activity
  • Maintain bone health through adequate nutrition (e.g., calcium, vitamin D)
  • Incorporate cross-training to reduce repetitive stress on the ankle

When to Seek Professional Help

Seek medical attention if pain persists despite rest, worsens, or is accompanied by swelling, bruising, or difficulty bearing weight. Early evaluation can prevent complications and ensure appropriate treatment.

Tips for Medical Coders

Document the specific location (right ankle) and confirm the diagnosis via clinical evaluation or imaging. Ensure the code aligns with the patient's documented condition and encounter type. Note that this code is specific to the right ankle; left-sided or unspecified fractures use different codes.

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