ICD-10-CM Billable Code

S66.311

Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level

Clinical Classification Guidelines

Medical Intelligence & Overview

A strain of the extensor muscle, fascia, and tendon in the left index finger is an injury characterized by overstretching or tearing of these structures at the wrist and hand level. This condition commonly results from sudden or repetitive activities that put strain on the finger and hand muscles, such as sports, manual labor, or accidental trauma. Symptoms often include pain, swelling, and limited mobility in the affected finger, which can impact daily activities and hand function.

Causes & Symptoms

Clinical Causes: Sudden twisting or wrenching of the finger during sports or physical activities Repetitive use or overexertion of the hand and fingers, especially in manual jobs Direct trauma or impact to the finger or wrist Overextension or overstretching during activities that involve gripping or grabbing Improper techniques during activities involving hand movements

Key Symptoms: Pain at the back of the finger or wrist, which worsens with movement Swelling or tenderness along the extensor tendons Reduced range of motion and difficulty extending the finger Weakness or a feeling of instability in the affected finger Possible bruising around the injury site

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves a physical examination where a healthcare provider assesses the finger and wrist for tenderness, swelling, and range of motion limitations. They may also utilize imaging techniques such as X-rays or MRI scans to rule out fractures or other structural damage and confirm soft tissue injury. The diagnosis is primarily based on clinical assessment and patient history.

Treatment Protocols: Treatment focuses on minimizing pain and promoting healing. Common approaches include:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is S66.311 a billable ICD-10 code?
Yes, S66.311 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report S66.311?
Clinical documentation must specify the nature of Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand level and any associated comorbidities for accurate reporting.

Cite this Clinical Reference