Z89.61 Acquired absence of leg above knee

Name of the Condition

• Acquired absence of leg above knee
• ICD Code: Z89.61

Summary

Acquired absence of the leg above the knee refers to the loss of the lower leg and foot due to events occurring after birth, such as traumatic injuries, surgical amputations, or disease-related complications. This condition primarily affects mobility and can significantly impact daily activities.

Causes

The absence of the leg above the knee can result from traumatic injuries (e.g., accidents, severe burns), surgical removal due to medical conditions (e.g., cancer, severe infection, gangrene), or complications from diseases such as diabetes or peripheral artery disease.

Risk Factors

High-risk occupations or activities that increase exposure to injury, pre-existing medical conditions that may lead to surgical removal of the leg, and lack of access to proper healthcare leading to advanced disease requiring amputation.

Symptoms

Physical absence of the leg above the knee, psychological impacts such as phantom limb sensation or body image issues, and functional limitations depending on the level of amputation.

Diagnosis

Physical examination to assess limb absence, medical history review to determine the cause of limb loss, and imaging may be used for assessing residual limb health if a prosthetic fitting is needed.

Treatment Options

• Prosthetics: Artificial limbs to aid in mobility and function
• Physical therapy: To strengthen surrounding muscles and improve mobility
• Pain management: Through medications or other interventions

Prognosis and Follow-Up

With appropriate treatment, patients can regain substantial mobility. Regular follow-up is crucial to monitor residual limb health, prosthetic fit, and overall functional status.

Complications

• Infection at the amputation site
• Phantom limb pain or sensation
• Skin breakdown or pressure sores
• Psychological distress related to limb loss

Lifestyle & Prevention

• Maintain a healthy lifestyle to manage underlying conditions (e.g., diabetes)
• Use protective measures in high-risk environments
• Engage in regular physical activity to support overall health

When to Seek Professional Help

Seek medical attention if there are signs of infection, increased pain, or issues with prosthetic fit. Consult a healthcare provider for ongoing care and rehabilitation.

Tips for Medical Coders

Document the specific level of amputation (above knee) and any contributing factors (e.g., trauma, surgery, disease) to ensure accurate coding. Include details about the residual limb and any associated complications for comprehensive documentation.