ICD Code M66.371

ICD code M66.371 is used to classify and document a medical diagnosis of a spontaneous rupture of the flexor tendons in the right ankle and foot. This condition involves the sudden tearing or breaking of the tendons that help in bending the foot and toes, without any external trauma or injury causing it. Such ruptures can lead to pain, swelling, and difficulty in moving the affected foot, and may require medical intervention for proper healing and restoration of function. This code is crucial for healthcare providers to accurately record and communicate the specific nature of the tendon injury for treatment planning and insurance purposes.

When to use the ICD code for spontaneous rupture of flexor tendons in the right ankle and foot, consider the following diagnostic criteria and symptoms:

1. Patient History
- Recent history of trauma or injury to the ankle or foot.
- Previous tendon injuries or surgeries in the affected area.

2. Physical Examination Findings
- Visible deformity or abnormal positioning of the foot or ankle.
- Swelling or bruising around the ankle and foot region.

3. Pain Assessment
- Severe pain localized to the ankle or foot, particularly during movement.
- Pain that worsens with palpation of the flexor tendon area.

4. Functional Limitations
- Inability to flex the toes or foot.
- Difficulty bearing weight on the affected limb.

5. Imaging Results
- MRI or ultrasound confirming the rupture of the flexor tendons.
- X-rays to rule out associated fractures or other injuries.

6. Symptoms of Complications
- Signs of infection, such as fever or increased redness and warmth in the area.
- Numbness or tingling in the foot, indicating possible nerve involvement.

7. Response to Conservative Treatment
- Lack of improvement with rest, ice, compression, and elevation (RICE) methods.
- Persistent symptoms despite physical therapy interventions.

These criteria should guide healthcare providers in determining the appropriate use of the ICD code for this specific condition.

For the ICD code M66.371, which pertains to the spontaneous rupture of flexor tendons in the right ankle and foot, 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, other than Achilles, in the ankle or foot.

3. 27654 - Repair, secondary, with or without graft, of ruptured tendon, other than Achilles, in the ankle or foot.

4. 27658 - Repair, flexor tendon, in the foot, primary or secondary, without graft.

5. 27659 - Repair, flexor tendon, in the foot, secondary, with graft.

These CPT codes are typically used to describe surgical procedures that may be necessary to address the condition associated with ICD code M66.371. It is important for healthcare providers to select the appropriate CPT code based on the specific procedure performed.

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