ICD Code M66.269

ICD code M66.269 is used to classify a medical condition where there is a spontaneous rupture of the extensor tendons in an unspecified lower leg. This means that the tendons responsible for extending or straightening the foot or toes have torn without any apparent external cause, such as an injury or trauma. The term "unspecified lower leg" indicates that the exact location within the lower leg where the rupture occurred is not detailed in the diagnosis. This code is essential for healthcare providers to accurately document and communicate the condition for treatment planning and billing purposes.

When to use the ICD code for spontaneous rupture of extensor tendons, unspecified lower leg:

1. Clinical Presentation
- Patient reports sudden onset of pain in the lower leg.
- Patient experiences swelling and tenderness in the affected area.

2. Physical Examination Findings
- Palpable defect or gap in the tendon upon examination.
- Limited range of motion in the affected joint (e.g., ankle or toes).

3. Functional Impairment
- Difficulty in performing activities that require extension of the toes or foot.
- Inability to bear weight on the affected leg.

4. Imaging Studies
- MRI or ultrasound confirms the diagnosis of tendon rupture.
- X-rays may be performed to rule out associated fractures.

5. History of Injury
- Recent history of trauma or overuse activities that may have led to tendon rupture.
- Previous tendon injuries or surgeries in the same area.

6. Exclusion of Other Conditions
- Differential diagnosis excludes other causes of lower leg pain, such as fractures, ligament injuries, or muscle tears.

7. Patient Demographics
- Consideration of age, activity level, and underlying health conditions that may predispose the patient to tendon injuries.

By adhering to these diagnostic criteria and symptoms, healthcare providers can accurately determine when to utilize the appropriate ICD code for spontaneous rupture of extensor tendons in the unspecified lower leg.

For the ICD code M66.269, which pertains to the spontaneous rupture of extensor tendons in an unspecified lower leg, the relevant CPT codes that may be applicable for treatment include:

1. 27385 - Suture of infrapatellar tendon.

2. 27650 - Repair, primary, open or percutaneous, and/or exploration (with or without removal of foreign body), of ruptured Achilles tendon; without graft.

3. 27652 - Repair, primary, open or percutaneous, and/or exploration (with or without removal of foreign body), of ruptured Achilles tendon; with graft (includes obtaining graft).

4. 27654 - Repair, secondary, Achilles tendon, with or without graft.

5. 27658 - Repair, flexor tendon, leg; primary, without graft, each tendon.

6. 27659 - Repair, flexor tendon, leg; secondary, with or without free graft, each tendon.

7. 27664 - Repair, extensor tendon, leg; primary, without graft, each tendon.

8. 27665 - Repair, extensor tendon, leg; secondary, with or without free graft, each tendon.

These CPT codes are typically used for surgical procedures related to tendon repair in the lower leg. It is important for healthcare providers to select the appropriate CPT code based on the specific procedure performed and the clinical details of the case. Always ensure that the documentation supports the selected CPT code for accurate billing and reimbursement.

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