Radial styloid tenosynovitis (de Quervain)
ICD-10 Code: M65.4 · Body Part: Wrist/Hand
QME Evaluation Process
Finkelstein's test, first dorsal compartment tenderness, grip strength testing. UE impairment based on wrist/thumb ROM deficit.
Typical Impairment Rating
3-8% UE (2-5% WPI)
AMA Guides Edition
5th Edition
Common Treatments
Related Conditions
Body Part Guide
Wrist/Hand Evaluation Guide
Impairment rating methods, common conditions, and QME evaluation protocols
QME Specialties for Radial styloid tenosynovitis (de Quervain)
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What is Radial styloid tenosynovitis (de Quervain) (M65.4)?
Radial styloid tenosynovitis (de Quervain) is an ICD-10 diagnosis code (M65.4) classified under Musculoskeletal conditions. It affects the Wrist/Hand and is commonly encountered in California workers' compensation claims. QME physicians evaluate this condition using AMA Guides 5th Edition protocols.
How is M65.4 rated for impairment?
The typical whole person impairment (WPI) range for Radial styloid tenosynovitis (de Quervain) is 3-8% UE (2-5% WPI). The exact rating depends on clinical findings, imaging, and the evaluation method (DRE or ROM) chosen by the QME physician per AMA Guides 5th Edition.
What is the QME evaluation process for M65.4?
Finkelstein's test, first dorsal compartment tenderness, grip strength testing. UE impairment based on wrist/thumb ROM deficit.
What treatments are common for Radial styloid tenosynovitis (de Quervain)?
Common treatments for Radial styloid tenosynovitis (de Quervain) include Corticosteroid injection, Thumb spica splinting, Surgical release. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.