ICD-10: M65.4

Radial styloid tenosynovitis [de Quervain]

Additional Information

Approximate Synonyms

Radial styloid tenosynovitis, commonly known as de Quervain's tenosynovitis, is a condition characterized by inflammation of the tendons on the thumb side of the wrist. This condition is associated with pain and discomfort, particularly when gripping or pinching. The ICD-10 code for this condition is M65.4, and it is part of a broader category of disorders affecting the synovium and tendons.

Alternative Names for M65.4

  1. De Quervain's Tenosynovitis: This is the most widely recognized name for the condition, named after the Swiss surgeon Fritz de Quervain, who first described it.

  2. De Quervain Syndrome: This term is often used interchangeably with de Quervain's tenosynovitis and refers to the same condition.

  3. Radial Styloid Tenosynovitis: This name emphasizes the anatomical location of the inflammation, specifically at the radial styloid process of the wrist.

  4. Tenosynovitis of the Abductor Pollicis Longus and Extensor Pollicis Brevis: This term describes the specific tendons involved in the condition, which are responsible for thumb movement.

  • Tendonitis: A general term for inflammation of a tendon, which can include various types of tenosynovitis.

  • Wrist Pain: While not specific to de Quervain's tenosynovitis, this term is often associated with the symptoms experienced by individuals with the condition.

  • Thumb Tendonitis: This term can refer to inflammation of the tendons in the thumb area, which may include de Quervain's tenosynovitis.

  • Overuse Injury: De Quervain's tenosynovitis is often classified as an overuse injury, particularly in individuals who perform repetitive wrist and thumb movements.

Conclusion

Understanding the alternative names and related terms for ICD-10 code M65.4 is essential for accurate diagnosis and treatment. Recognizing these terms can help healthcare professionals communicate effectively about the condition and ensure that patients receive appropriate care. If you have further questions or need more detailed information about treatment options or symptoms, feel free to ask!

Description

Radial styloid tenosynovitis, commonly known as de Quervain's tenosynovitis, is a condition characterized by inflammation of the tendons located at the base of the thumb. This condition is classified under the ICD-10 code M65.4, which specifically denotes "Radial styloid tenosynovitis [de Quervain]." Below is a detailed overview of this condition, including its clinical description, symptoms, diagnosis, and treatment options.

Clinical Description

Definition

De Quervain's tenosynovitis is an inflammatory condition affecting the tendons that control thumb movement, particularly the abductor pollicis longus and extensor pollicis brevis tendons. These tendons pass through a fibrous sheath at the wrist, and inflammation can lead to pain and restricted movement.

Etiology

The exact cause of de Quervain's tenosynovitis is often multifactorial. It can result from repetitive wrist and thumb motions, such as those involved in activities like texting, playing musical instruments, or lifting objects. It is also more prevalent in women, particularly during and after pregnancy, possibly due to hormonal changes and increased physical demands.

Symptoms

Patients with de Quervain's tenosynovitis typically experience the following symptoms:

  • Pain: A sharp or aching pain at the base of the thumb, which may radiate up the forearm.
  • Swelling: Swelling over the radial styloid process (the bony prominence at the wrist).
  • Tenderness: Tenderness when pressing on the affected area.
  • Limited Range of Motion: Difficulty in moving the thumb, especially when grasping or pinching.
  • Crepitus: A sensation of grating or crackling when moving the thumb.

Diagnosis

Clinical Examination

Diagnosis is primarily clinical, based on the patient's history and physical examination. Key diagnostic tests include:

  • Finkelstein Test: The patient is asked to make a fist with the thumb tucked inside the fingers. Pain over the radial styloid process during this maneuver is indicative of de Quervain's tenosynovitis.
  • Palpation: Tenderness and swelling over the affected tendons can be assessed through direct palpation.

Imaging

While imaging is not routinely required, ultrasound or MRI may be used in complex cases to assess tendon integrity and rule out other conditions.

Treatment

Conservative Management

Initial treatment typically involves conservative measures, including:

  • Rest: Avoiding activities that exacerbate symptoms.
  • Ice Therapy: Applying ice packs to reduce swelling and pain.
  • Splinting: Using a thumb spica splint to immobilize the thumb and wrist.
  • Nonsteroidal Anti-Inflammatory Drugs (NSAIDs): Medications like ibuprofen can help alleviate pain and inflammation.

Invasive Options

If conservative treatments fail, further interventions may be considered:

  • Corticosteroid Injections: Injecting corticosteroids into the tendon sheath can provide significant relief.
  • Surgery: In severe cases, surgical intervention may be necessary to release the constricted tendon sheath.

Conclusion

Radial styloid tenosynovitis, or de Quervain's tenosynovitis, is a common condition that can significantly impact daily activities due to pain and limited thumb movement. Early diagnosis and appropriate management are crucial for effective treatment and recovery. Understanding the clinical features and treatment options can help healthcare providers offer better care for patients suffering from this condition. For accurate coding and billing, the ICD-10 code M65.4 should be used to document this diagnosis in medical records.

Clinical Information

Radial styloid tenosynovitis, commonly known as de Quervain's tenosynovitis, is a condition characterized by inflammation of the tendons located at the base of the thumb. This condition is often associated with pain and discomfort, particularly during thumb movement or wrist activities. Below is a detailed overview of the clinical presentation, signs, symptoms, and patient characteristics associated with this condition.

Clinical Presentation

Definition and Overview

De Quervain's tenosynovitis involves the inflammation of the sheath surrounding the abductor pollicis longus and extensor pollicis brevis tendons, which are responsible for thumb movement. This condition is often seen in individuals who perform repetitive wrist and thumb motions, leading to irritation and swelling of the tendons.

Common Patient Characteristics

  • Demographics: De Quervain's tenosynovitis is more prevalent in women than men, particularly in those aged 30 to 50 years. It is also common among new mothers, likely due to the repetitive motions involved in lifting and carrying infants[2][3].
  • Occupational Factors: Individuals engaged in occupations or activities that require repetitive wrist and thumb movements, such as typing, knitting, or playing certain musical instruments, are at higher risk[3][4].

Signs and Symptoms

Pain

  • Location: Patients typically report pain at the radial side of the wrist, near the base of the thumb. The pain may radiate up the forearm or down into the thumb[1][3].
  • Nature of Pain: The pain is often described as sharp or aching and may worsen with specific movements, such as gripping or pinching[2][4].

Swelling and Tenderness

  • Swelling: There may be noticeable swelling over the radial styloid process, which is the bony prominence at the wrist's base[1][3].
  • Tenderness: Patients often experience tenderness when pressure is applied to the affected area, particularly over the first dorsal compartment of the wrist[2][4].

Functional Limitations

  • Reduced Range of Motion: Patients may have difficulty with thumb movements, particularly abduction and extension, leading to functional limitations in daily activities[3][4].
  • Pain with Specific Tests: The Finkelstein test, where the patient makes a fist with the thumb tucked inside the fingers and then bends the wrist towards the ulnar side, typically elicits pain in those with de Quervain's tenosynovitis[1][2].

Other Symptoms

  • Crepitus: Some patients may report a sensation of creaking or popping in the wrist during movement, which can be indicative of tendon movement through the inflamed sheath[3][4].

Conclusion

De Quervain's tenosynovitis is a common condition characterized by pain and swelling at the base of the thumb, primarily affecting women and individuals engaged in repetitive wrist activities. Recognizing the signs and symptoms, such as localized pain, swelling, and functional limitations, is crucial for timely diagnosis and management. Treatment options often include rest, splinting, anti-inflammatory medications, and, in some cases, corticosteroid injections or surgery for persistent cases[2][3][4]. If you suspect you have this condition, consulting a healthcare professional for an accurate diagnosis and appropriate treatment plan is advisable.

Diagnostic Criteria

De Quervain's tenosynovitis, classified under ICD-10 code M65.4, is a condition characterized by inflammation of the tendons on the thumb side of the wrist. This condition can cause pain and discomfort, particularly when gripping or pinching. The diagnosis of de Quervain's tenosynovitis involves several criteria, which can be categorized into clinical evaluation, physical examination, and imaging studies.

Clinical Evaluation

  1. Patient History:
    - The clinician will gather a detailed history of the patient's symptoms, including the onset, duration, and nature of the pain. Patients often report pain at the base of the thumb that may radiate up the forearm, particularly with activities that involve gripping or twisting motions.

  2. Symptom Assessment:
    - Common symptoms include swelling near the base of the thumb, tenderness, and pain that worsens with specific movements. Patients may also experience a "catching" sensation when moving the thumb.

Physical Examination

  1. Finkelstein Test:
    - This is a key diagnostic maneuver. The patient is asked to make a fist with the thumb tucked inside the fingers. The clinician then gently ulnar deviates the wrist. A positive test, indicated by pain over the radial styloid, supports the diagnosis of de Quervain's tenosynovitis.

  2. Palpation:
    - The clinician will palpate the radial styloid and the first dorsal compartment of the wrist to assess for tenderness and swelling.

  3. Range of Motion:
    - Assessment of thumb and wrist range of motion may reveal limitations or pain during specific movements, particularly those involving abduction or extension of the thumb.

Imaging Studies

  1. X-rays:
    - While not always necessary, X-rays may be performed to rule out other conditions, such as fractures or arthritis, that could mimic the symptoms of de Quervain's tenosynovitis. They can help visualize any bony abnormalities or joint issues.

  2. Ultrasound or MRI:
    - In some cases, ultrasound or MRI may be utilized to assess the extent of tendon inflammation and to visualize the synovial sheath. These imaging modalities can provide additional information about the condition, especially if the diagnosis is uncertain.

Conclusion

The diagnosis of de Quervain's tenosynovitis (ICD-10 code M65.4) relies on a combination of patient history, physical examination findings, and, when necessary, imaging studies. The Finkelstein test is particularly significant in confirming the diagnosis. Early recognition and treatment are crucial to alleviate symptoms and prevent chronic issues related to this condition. If you suspect you have symptoms of de Quervain's tenosynovitis, consulting a healthcare professional for a thorough evaluation is recommended.

Treatment Guidelines

Radial styloid tenosynovitis, commonly known as de Quervain's tenosynovitis, is a painful condition affecting the tendons on the thumb side of the wrist. It is characterized by inflammation of the sheath surrounding the tendons that control thumb movement, leading to pain and discomfort, particularly during gripping or pinching activities. The ICD-10 code for this condition is M65.4.

Standard Treatment Approaches

1. Conservative Management

Rest and Activity Modification

One of the first steps in managing de Quervain's tenosynovitis is to rest the affected wrist and thumb. Patients are advised to avoid activities that exacerbate the pain, such as repetitive wrist movements or heavy lifting. Using a splint to immobilize the wrist can also help reduce strain on the tendons[1].

Ice Therapy

Applying ice to the affected area can help alleviate pain and reduce swelling. It is generally recommended to apply ice for 15-20 minutes several times a day, especially after activities that provoke symptoms[1].

Nonsteroidal Anti-Inflammatory Drugs (NSAIDs)

Over-the-counter NSAIDs, such as ibuprofen or naproxen, can be effective in managing pain and inflammation associated with de Quervain's tenosynovitis. These medications should be taken as directed and can provide symptomatic relief during the initial treatment phase[1].

2. Physical Therapy

Physical therapy may be recommended to improve wrist and thumb function. A physical therapist can provide specific exercises to strengthen the muscles around the wrist and improve flexibility. Techniques such as ultrasound therapy or manual therapy may also be employed to reduce inflammation and promote healing[1][2].

3. Corticosteroid Injections

For patients who do not respond adequately to conservative measures, corticosteroid injections may be considered. These injections can significantly reduce inflammation and provide relief from pain. Typically, a single injection can be effective, but some patients may require multiple injections over time[2][3].

4. Surgical Intervention

If conservative treatments fail to provide relief after several months, surgical intervention may be necessary. The surgical procedure typically involves releasing the constricted tendon sheath to alleviate pressure on the tendons. This option is generally considered when the condition severely impacts the patient's quality of life or daily activities[2][3].

5. Post-Treatment Rehabilitation

After surgery or during recovery from conservative treatments, rehabilitation is crucial. Patients may need to engage in a structured rehabilitation program to regain strength and function in the wrist and thumb. This may include gradual reintroduction of activities and continued physical therapy[3].

Conclusion

De Quervain's tenosynovitis is a manageable condition with a variety of treatment options available. Initial conservative approaches, including rest, ice therapy, NSAIDs, and splinting, are often effective. If symptoms persist, more invasive treatments such as corticosteroid injections or surgery may be warranted. Early intervention and adherence to treatment protocols can lead to favorable outcomes, allowing individuals to return to their normal activities with minimal discomfort. If you suspect you have this condition, consulting a healthcare professional for a tailored treatment plan is essential.

Related Information

Approximate Synonyms

  • De Quervain's Tenosynovitis
  • De Quervain Syndrome
  • Radial Styloid Tenosynovitis
  • Tenosynovitis of Abductor Pollicis Longus and Extensor Pollicis Brevis
  • Tendonitis
  • Wrist Pain
  • Thumb Tendonitis
  • Overuse Injury

Description

  • Inflammation of tendons at thumb base
  • Affects abductor pollicis longus tendon
  • Extensor pollicis brevis tendon inflammation
  • Pain and restricted thumb movement
  • Commonly affects women, especially during pregnancy
  • Symptoms include sharp pain, swelling, and limited range of motion

Clinical Information

  • Inflammation of tendons at base of thumb
  • Pain and discomfort during thumb movement or wrist activities
  • More prevalent in women aged 30-50 years
  • Common among new mothers due to repetitive motions
  • Occupations with repetitive wrist movements increase risk
  • Pain located on radial side of wrist near thumb base
  • Swelling over radial styloid process may occur
  • Tenderness when pressure applied to affected area
  • Reduced range of motion in thumb due to pain
  • Finkelstein test elicits pain in those with de Quervain's tenosynovitis
  • Crepitus or sensation of creaking/popping in wrist

Diagnostic Criteria

  • Gather detailed patient history
  • Assess symptom onset and duration
  • Look for swelling near base of thumb
  • Check for tenderness in radial styloid area
  • Perform Finkelstein test for diagnosis
  • Palpate first dorsal compartment of wrist
  • Evaluate range of motion for limitations

Treatment Guidelines

  • Rest the affected wrist and thumb
  • Avoid exacerbating activities
  • Use ice therapy 15-20 minutes daily
  • Take NSAIDs as directed
  • Engage in physical therapy exercises
  • Consider corticosteroid injections for severe cases
  • Surgery may be necessary after conservative treatments fail

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