S56.116 Strain of flexor muscle, fascia and tendon of left ring finger at forearm level

Name of the Condition

• Strain of flexor muscle, fascia and tendon of left ring finger at forearm level (ICD-10 Code: S56.116)

Summary

This condition involves a strain of the flexor muscle, fascia, or tendon of the left ring finger at the forearm level. It typically results from trauma, overuse, or mechanical forces affecting these soft tissues. The injury can range from mild strains to more severe tears, depending on the mechanism and force involved.

Causes

Direct trauma, such as a blow or cut to the forearm, that damages the flexor structures of the left ring finger. Repetitive or forceful movements involving the ring finger, leading to overuse injuries. Penetrating injuries, like lacerations, that disrupt the muscle, fascia, or tendon.

Risk Factors

• Participation in activities with repetitive finger motion (e.g., sports, manual labor).
• Lack of proper warm-up or conditioning before physical activity.
• Previous injuries to the forearm or finger that weaken the tissues.

Symptoms

• Pain or tenderness in the forearm near the affected finger.
• Difficulty bending or straightening the finger.
• Swelling or bruising at the injury site.
• Weakness in finger grip or pinch strength.

Diagnosis

Physical examination to assess finger mobility and identify tenderness or deformity. Imaging, such as ultrasound or MRI, may be used to evaluate the extent of tissue damage.

Treatment Options

Rest and activity modification to allow healing. Ice application to reduce swelling and pain. Compression and elevation of the affected arm. Physical therapy to restore strength and range of motion. Pain management with over-the-counter or prescription medications. In severe cases, surgical intervention may be considered.

Prognosis and Follow-Up

Most strains heal with conservative treatment within a few weeks to months, depending on severity. Follow-up appointments monitor progress and adjust treatment plans. Full recovery is common with proper care, though some residual stiffness or weakness may persist.

Complications

Delayed healing due to inadequate rest or reinjury. Chronic pain or reduced function if treatment is insufficient. Nerve or vascular damage in severe cases. Adhesion formation affecting tendon mobility.

Lifestyle & Prevention

Use ergonomic tools and techniques during repetitive tasks. Perform regular stretching and strengthening exercises for the forearm and fingers. Wear protective gear during high-risk activities. Avoid sudden forceful movements that strain the flexor structures.

When to Seek Professional Help

Persistent pain or swelling that does not improve with home care. Inability to move the finger or loss of sensation. Signs of infection, such as redness, warmth, or fever. Suspected severe tear or complete tendon rupture.

Tips for Medical Coders

Document the specific finger (left ring) and anatomical level (forearm) to ensure accurate coding. Include details on injury mechanism, severity, and treatment to support medical necessity. Verify that the code aligns with clinical documentation and coding guidelines.