ICD-10-CM Billable Code

M65.05

Abscess of tendon sheath, thigh

Clinical Classification Guidelines

Medical Intelligence & Overview

An abscess of the tendon sheath in the thigh is a painful infection that occurs when pus collects within the sheath surrounding a tendon. This condition can cause swelling, redness, and limited movement in the affected area. The tendon sheath is a protective covering around tendons, which are the tissues connecting muscles to bones, enabling joint movement. When bacteria invade this area, it results in a localized infection known as an abscess. Recognizing the symptoms and understanding the causes are key steps toward effective management of this condition.

Causes & Symptoms

Clinical Causes: Bacterial infections, often caused by bacteria such as Staphylococcus aureus Trauma or injury to the thigh, leading to bacterial entry Spread from nearby infections or skin wounds Repeated strain or overuse of the thigh muscles, which may compromise the tissue Pre-existing medical conditions that weaken the immune system, making infections more likely

Key Symptoms: Severe pain and tenderness in the thigh Swelling or a palpable lump in the affected area Redness and warmth over the abscess region Limited range of motion or difficulty moving the leg Fever and general feeling of malaise in some cases Potential pus drainage if the abscess ruptures

Diagnostic & Treatment

Diagnosis Path: Diagnosis typically involves a physical examination to assess swelling, redness, and tenderness in the thigh. Medical professionals may order imaging tests, such as ultrasound or MRI, to locate and evaluate the abscess. Blood tests can help identify signs of infection and determine if there’s spread beyond the initial site. In some cases, a sample of the pus may be taken through aspiration or drainage to identify the bacteria responsible, guiding targeted treatment.

Treatment Protocols: Treatment aims to drain the abscess and eliminate the infection. It often includes surgical drainage to remove pus and reduce pressure in the area. Antibiotic therapy may be prescribed based on the bacteria identified or suspected. Resting the affected limb and elevating the thigh can help manage swelling. In some instances, additional measures like immobilization or physical therapy may be recommended to promote healing and restore function. Addressing any underlying causes or contributing conditions is vital to prevent recurrence.

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 M65.05 a billable ICD-10 code?
Yes, M65.05 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report M65.05?
Clinical documentation must specify the nature of Abscess of tendon sheath, thigh and any associated comorbidities for accurate reporting.

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