Codes / ICD10CM / S99.23

S99.23 Salter-Harris Type III physeal fracture of phalanx of toe

ICD10CM code

ICD10CM

Chat with GenHealth to automate any coding or chart task.

Name of the Condition

  • Salter-Harris Type III physeal fracture of phalanx of toe

Summary

This condition involves a fracture affecting the growth plate (physis) of a toe phalanx, classified as Salter-Harris Type III. This type of fracture occurs when the fracture line extends through the growth plate and into the epiphysis (the end of the bone), typically in children or adolescents, and requires evaluation to ensure proper healing and growth.

Causes

Direct trauma or injury to the toe, such as falls, sports-related impacts, or accidents, can disrupt the growth plate. Sudden force applied to the phalanges, including stubbing, crushing, or twisting, may lead to this type of fracture.

Risk Factors

  • Age: Children and adolescents, as their growth plates are still developing and more susceptible to injury.
  • High-impact activities: Participation in sports like running, jumping, or contact sports.
  • Previous injuries: Prior damage to the toes or surrounding structures may increase vulnerability.
  • Poor footwear: Shoes that do not fit properly or lack support can increase toe injury risk.

Symptoms

  • Pain and swelling localized to the affected toe.
  • Difficulty bearing weight or walking on the foot.
  • Limited range of motion in the toe.
  • Visible bruising or deformity in severe cases.

Diagnosis

Physical examination to assess pain, swelling, and functional limitations. Imaging tests, such as X-rays or MRI, to evaluate the fracture and growth plate involvement.

Treatment Options

  • Immobilization with a splint or cast to stabilize the toe.
  • Pain management with over-the-counter or prescription medications.
  • Surgical intervention in severe cases to realign the fracture and ensure proper healing.
  • Physical therapy to restore range of motion and strength after healing.

Prognosis and Follow-Up

Prognosis depends on the severity of the fracture and adherence to treatment. Most cases heal well with proper management, but follow-up imaging may be needed to monitor growth plate integrity. Regular check-ups ensure no long-term complications affect bone development.

Complications

  • Growth plate damage leading to abnormal bone growth.
  • Chronic pain or stiffness in the toe.
  • Arthritis in the affected joint over time.
  • Nonunion or malunion of the fracture.

Lifestyle & Prevention

  • Wear properly fitting, supportive footwear during activities.
  • Use protective gear in sports to reduce toe injury risk.
  • Avoid activities that put excessive stress on the toes until fully healed.
  • Maintain a healthy weight to reduce injury risk during falls or impacts.

When to Seek Professional Help

Seek immediate medical attention if there is severe pain, inability to bear weight, visible deformity, or signs of infection (e.g., redness, warmth, or pus). Prompt evaluation is critical to prevent complications.

Tips for Medical Coders

Document the specific Salter-Harris Type III classification and affected toe phalanx. Ensure clinical notes specify the fracture’s involvement of the growth plate and epiphysis to support accurate coding. Include details on imaging findings or surgical intervention if applicable.

Book a walkthrough

S99.23 policy automation walkthrough

Walk through the policies, prior authorization requirements, and workflow automation opportunities connected to this code.