ICD Code M66.259

ICD code M66.259 is used to classify and document a medical diagnosis of a spontaneous rupture of extensor tendons in an unspecified thigh. This code indicates that the patient has experienced a sudden and unprovoked tearing of the extensor tendons, which are responsible for straightening the knee and extending the leg, in one of their thighs. However, the specific thigh affected is not specified in this code. This condition can lead to significant functional impairment and may require medical intervention to restore mobility and function.

When considering the use of the ICD code for a spontaneous rupture of extensor tendons in the unspecified thigh, healthcare providers should evaluate the following diagnostic criteria and symptoms:

1. Sudden Onset of Pain: The patient experiences an abrupt and intense pain in the thigh area, which may be accompanied by a popping or snapping sensation.

2. Loss of Function: There is a noticeable loss of function or inability to extend the knee or hip joint, which may affect the patient's ability to walk or perform daily activities.

3. Swelling and Bruising: The affected thigh may exhibit swelling and bruising, which can develop rapidly following the rupture.

4. Palpable Gap or Defect: Upon physical examination, a gap or defect may be palpable in the area where the tendon has ruptured.

5. Weakness in Extension: The patient may demonstrate weakness or an inability to extend the leg against resistance, indicating a compromise in tendon integrity.

6. History of Overuse or Trauma: The patient may report a history of repetitive overuse or a recent traumatic event that could have contributed to the tendon rupture.

7. Imaging Confirmation: Diagnostic imaging, such as an MRI or ultrasound, may be used to confirm the rupture and assess the extent of the injury.

8. Exclusion of Other Conditions: Other potential causes of thigh pain and dysfunction, such as fractures or muscle tears, should be ruled out through clinical evaluation and imaging studies.

By carefully assessing these criteria and symptoms, healthcare providers can accurately determine the appropriateness of using the ICD code for this specific condition.

For the ICD code M66.259, which pertains to the spontaneous rupture of extensor tendons in an unspecified thigh, the relevant CPT codes that may be applicable for treatment include:

1. 24341 - Repair, tendon or muscle, upper arm or elbow, each tendon or muscle, primary or secondary (excludes rotator cuff).

2. 24342 - Reinsertion of ruptured biceps or triceps tendon, distal, with or without tendon graft.

3. 27650 - Repair, primary, open or percutaneous, of ruptured Achilles tendon.

4. 27652 - Repair, primary, open or percutaneous, of ruptured tendon, leg; other than Achilles, each tendon.

5. 27654 - Repair, secondary, Achilles tendon, with or without graft.

6. 27658 - Repair, flexor tendon, leg; primary, without graft, each tendon.

7. 27659 - Repair, flexor tendon, leg; secondary, with or without graft, each tendon.

8. 27664 - Repair, extensor tendon, leg; primary, without graft, each tendon.

9. 27665 - Repair, extensor tendon, leg; secondary, with or without graft, each tendon.

These CPT codes are examples of procedures that might be considered for the treatment of tendon ruptures in the thigh area, depending on the specific clinical scenario and physician's assessment. Always consult with a healthcare professional or coding specialist to ensure accurate coding for specific cases.

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