ICD Code M66.145

ICD code M66.145 is used to classify and document a medical diagnosis of a rupture of the synovium in the left finger(s). The synovium is a specialized connective tissue that lines the inner surface of capsules of synovial joints and tendon sheaths, providing lubrication to reduce friction during movement. A rupture in this area can lead to pain, swelling, and impaired function of the affected finger(s). This code is essential for healthcare providers to accurately record the condition for treatment planning, billing, and insurance purposes.

When to use the ICD code for the specified condition, consider the following diagnostic criteria and symptoms:

1. Presence of Synovial Rupture
- Confirmed diagnosis of rupture in the synovial membrane.

2. Location of Injury
- Specifically affects the left finger(s); ensure that the injury is localized to this area.

3. Clinical Symptoms
- Swelling or inflammation in the affected finger(s).
- Pain or tenderness in the left finger(s) upon movement or palpation.
- Limited range of motion in the affected finger(s).

4. Imaging or Diagnostic Confirmation
- Evidence from imaging studies (e.g., MRI, ultrasound) indicating rupture of the synovium.

5. History of Trauma or Injury
- Recent history of trauma or repetitive stress to the left finger(s) that could lead to synovial rupture.

6. Exclusion of Other Conditions
- Rule out other potential causes of similar symptoms, such as fractures, ligament injuries, or infections.

7. Patient Symptoms Duration
- Symptoms have persisted for a duration that warrants further investigation and diagnosis.

8. Response to Initial Treatment
- Lack of improvement or worsening of symptoms despite conservative treatment measures.

By adhering to these criteria, healthcare providers can accurately determine when to apply the appropriate ICD code for the condition in question.

For the ICD code M66.145, which pertains to the rupture of synovium in the left finger(s), the relevant CPT codes that may be applicable for treatment include:

1. 26055 - Incision with drainage of finger abscess; simple.

2. 26160 - Excision of lesion of tendon sheath or joint capsule (e.g., cyst, mucous cyst, or ganglion), hand or finger.

3. 26340 - Manipulation, finger joint, under anesthesia, each joint.

4. 26440 - Repair, extensor tendon, finger, primary or secondary; without free graft, each tendon.

5. 26540 - Repair of collateral ligament, metacarpophalangeal joint or interphalangeal joint, each.

These CPT codes are examples of procedures that might be considered for addressing issues related to the rupture of synovium in the left finger(s). It is important for healthcare providers to select the appropriate CPT code based on the specific treatment rendered and the clinical scenario. Always ensure that coding is aligned with the latest coding guidelines and payer-specific requirements.

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