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M65.4
ICD-10-CM
De Quervain's Tenosynovitis

Learn about De Quervain's Tenosynovitis, also known as Radial Styloid Tenosynovitis or de Quervains syndrome. This meta description focuses on healthcare aspects, clinical documentation, and medical coding for De Quervain's Disease. Find information relevant to diagnosis, treatment, and ICD-10 codes for medical professionals and patients seeking details on this condition.

Also known as

Radial Styloid Tenosynovitis
De Quervain's Disease
de quervains syndrome

Diagnosis Snapshot

Key Facts
  • Definition : Wrist pain at the base of the thumb caused by inflammation of tendons.
  • Clinical Signs : Pain with thumb movement, grip weakness, tenderness over radial styloid process, positive Finkelstein's test.
  • Common Settings : Outpatient clinic, orthopedics, sports medicine, hand therapy.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M65.4 Coding
M65-M65

Synovitis and tenosynovitis

Inflammation of the synovial membrane (synovitis) and tendon sheaths (tenosynovitis).

M70-M79

Other soft tissue disorders

Encompasses various soft tissue disorders like bursitis, enthesopathies, and other specified soft tissue disorders.

M60-M63

Disorders of muscles and tendons

Includes conditions affecting muscles and tendons, such as tears, contractures, and other disorders.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the diagnosis De Quervain's Tenosynovitis?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Wrist pain at the base of the thumb, difficulty gripping.
Wrist pain radiating to forearm, often from repetitive movements.
Pain at intersection of thumb and wrist extensor tendons, often from repetitive hand use.

Documentation Best Practices

Documentation Checklist
  • Document Finkelstein's test results.
  • Specify location of pain (radial styloid)
  • Note anatomical snuffbox tenderness.
  • Include duration and severity of symptoms.
  • R/O intersection syndrome, Wartenberg's syndrome

Coding and Audit Risks

Common Risks
  • Laterality Coding

    Missing or incorrect laterality (right, left, bilateral) coding for De Quervain's Tenosynovitis impacts reimbursement and data accuracy.

  • Specificity of Diagnosis

    Coding De Quervain's Disease without specifying tenosynovitis can lead to claim denials due to lack of specificity.

  • Documentation Clarity

    Insufficient documentation to support the diagnosis of De Quervain's Tenosynovitis may cause coding errors and compliance issues.

Mitigation Tips

Best Practices
  • Immobilize thumb/wrist with splint (ICD-10: M65.4)
  • NSAIDs for pain/inflammation (SNOMED CT: 387564008)
  • Gentle stretching/strengthening exercises (CPT: 97110)
  • Corticosteroid injections for persistent pain (HCPCS: J3301)
  • Avoid repetitive thumb/wrist movements (O*NET: 51-9031.00)

Clinical Decision Support

Checklist
  • 1. Finkelstein's test positive
  • 2. Pain at radial styloid
  • 3. Tenderness over APL and EPB tendons
  • 4. Limited thumb abduction/extension

Reimbursement and Quality Metrics

Impact Summary
  • De Quervains Tenosynovitis reimbursement impacts coding accuracy for CPT 25000, 25110 impacting facility RVUs.
  • Accurate De Quervains diagnosis coding (M77.0, M77.01, M77.02) affects hospital reporting quality metrics for upper extremity conditions.
  • De Quervains Tenosynovitis miscoding impacts insurance denials, delaying reimbursements and affecting revenue cycle management.
  • Proper De Quervains documentation improves medical billing compliance and reduces risk of audits for carpal tunnel syndrome related diagnoses.

Streamline Your Medical Coding

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Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective differential diagnosis strategies for De Quervain's Tenosynovitis vs. Intersection Syndrome, and how can clinicians differentiate between these two conditions in physical examination?

A: Differentiating De Quervain's Tenosynovitis from Intersection Syndrome, though both involve wrist pain, requires a focused physical exam. De Quervain's involves the tendons of the abductor pollicis longus and extensor pollicis brevis at the radial styloid process, assessed with the Finkelstein's test. Intersection Syndrome, however, involves the intersection of these tendons with the abductor pollicis longus and extensor pollicis brevis tendons approximately 4-6 cm proximal to the radial styloid. Pain localized to this proximal intersection point and exacerbated by wrist flexion and ulnar deviation suggests Intersection Syndrome. Consider implementing palpation along the muscle bellies to pinpoint tenderness and crepitus. Explore how ultrasound imaging can further aid in differentiating these conditions and visualizing tendon sheath inflammation. Furthermore, patients with Intersection Syndrome may describe pain with activities like rowing or weightlifting, whereas De Quervain's is more commonly aggravated by repetitive thumb and wrist movements like pinching and grasping. Learn more about dynamic ultrasound and its role in diagnosing soft tissue disorders.

Q: Beyond corticosteroid injections, what non-surgical treatment options provide long-term relief for De Quervain's Tenosynovitis, especially for patients reluctant to undergo injections or surgery?

A: For patients seeking non-surgical and non-injection options for De Quervain's Tenosynovitis, a multi-pronged approach focusing on rest, immobilization, and targeted therapy can provide long-term relief. Initially, thumb spica splints or forearm-based thumb spica orthoses can immobilize the wrist and thumb, reducing tendon irritation. Explore how occupational therapy can help patients modify activities of daily living to avoid aggravating movements. Furthermore, consider implementing a progressive strengthening and stretching program guided by a hand therapist once pain subsides. Modalities like ultrasound therapy and iontophoresis can be adjunctive treatments to reduce pain and inflammation. Learn more about the efficacy of custom orthoses and the role of patient education in preventing recurrence.

Quick Tips

Practical Coding Tips
  • Code M77.0 for De Quervain's
  • Document Finkelstein's test
  • Specify laterality: right/left
  • Exclude intersection syndrome (M77.1)
  • Consider ultrasound findings

Documentation Templates

Patient presents with complaints consistent with de Quervain's tenosynovitis, also known as radial styloid tenosynovitis or de Quervain's disease.  The patient reports pain and tenderness along the radial side of the wrist, specifically at the base of the thumb.  Symptoms include pain exacerbated by thumb and wrist movement, difficulty gripping, and occasional radiating pain up the forearm.  On physical examination, positive Finkelstein's test was noted, eliciting sharp pain over the abductor pollicis longus and extensor pollicis brevis tendons.  Differential diagnoses considered include intersection syndrome, wrist osteoarthritis, and scaphoid fracture.  Assessment suggests de Quervain's tenosynovitis as the primary diagnosis.  Initial treatment plan includes conservative management with rest, ice, NSAIDs for pain and inflammation, and thumb spica splint immobilization.  Patient education provided regarding activity modification and proper splinting techniques.  Follow-up scheduled in two weeks to assess response to treatment and consider corticosteroid injection if symptoms persist.  ICD-10 code M65.44 (Tenosynovitis of wrist) is assigned.  Referral to hand therapy or orthopedic specialist may be considered if conservative treatment fails.
De Quervain's Tenosynovitis - AI-Powered ICD-10 Documentation