ICD Code M66.369

ICD code M66.369 is used to classify a medical condition where there is a spontaneous rupture of the flexor tendons in an unspecified lower leg. This means that the tendons responsible for bending or flexing the lower leg have torn or ruptured without any apparent external trauma or injury. The term "unspecified" indicates that the exact location within the lower leg 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 flexor tendons, unspecified lower leg:

1. Clinical Diagnosis: A healthcare provider has made a clinical diagnosis of spontaneous rupture of flexor tendons in the lower leg based on patient evaluation.

2. Patient Symptoms:

- Sudden onset of pain in the lower leg.

- Swelling or bruising in the area of the tendon.

- Limited range of motion in the affected leg.

- Difficulty in flexing the toes or foot.

- Palpable defect or gap in the tendon upon physical examination.

3. Imaging Studies: Imaging studies (such as MRI or ultrasound) indicate a rupture of the flexor tendons in the lower leg.

4. Exclusion of Other Conditions: Other potential causes of lower leg pain and dysfunction have been ruled out, confirming that the symptoms are specifically due to the tendon rupture.

5. Treatment Plan: A treatment plan is established that may include surgical intervention or conservative management, based on the severity of the rupture.

6. Follow-Up Documentation: Documentation of follow-up visits shows persistence of symptoms or complications related to the tendon rupture, reinforcing the need for the ICD code.

For the ICD code M66.369, which pertains to the spontaneous rupture of flexor tendons in the unspecified lower leg, the relevant CPT codes that may be applicable for treatment include:

1. 27650 - Repair, primary, open or percutaneous, of ruptured Achilles tendon.

2. 27652 - Repair, primary, open or percutaneous, of ruptured tendon, leg; other than Achilles, each tendon.

3. 27654 - Repair, secondary, Achilles tendon, with or without graft.

4. 27658 - Repair, flexor tendon, leg; primary, without graft, each tendon.

5. 27659 - Repair, flexor tendon, leg; secondary, with or without graft, each tendon.

6. 27664 - Repair, extensor tendon, leg; primary, without graft, each tendon.

7. 27665 - Repair, extensor tendon, leg; secondary, with or without graft, each tendon.

These CPT codes are typically used for surgical procedures related to tendon repair in the lower leg and may be relevant depending on the specific clinical scenario and treatment plan. Always consult with a medical coding professional to ensure accurate coding based on the specific details of the case.

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