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ICD-10 Coding for De Quervain's Tenosynovitis(M65.4, M18.9, M65.8)

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Learn about the ICD-10 coding for de Quervain's tenosynovitis, including documentation requirements, clinical validation, and common coding pitfalls.

Also known as:
Radial Styloid TenosynovitisDe Quervain's Diseasede quervains syndrome
Related ICD-10 Code Ranges

Complete code families applicable to De Quervain's Tenosynovitis

M00-M99Primary Range

Diseases of the musculoskeletal system and connective tissue

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Primary ICD-10-CM Codes
Radial styloid tenosynovitis [de Quervain]
M65.4Billable
Differential Codes

Alternative codes to consider when ruling out similar conditions

Other synovitis and tenosynovitis, unspecified siteM65.849

Use when pain is proximal to radial styloid, not specific to de Quervain's.

Osteoarthritis of first carpometacarpal jointM18.9

Use when tenderness is at thumb base, not radial styloid.

Documentation & Coding Risks

Avoid these common issues when documenting De Quervain's Tenosynovitis.

Vague documentation of wrist pain

Impact

Clinical: Misdiagnosis or inappropriate treatment, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation

Use specific anatomical terms, Document diagnostic tests

Using M65.9 for unspecified synovitis when M65.4 is applicable

Impact

Reimbursement: Incorrect coding may lead to denied claims or reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation

Ensure documentation specifies 'radial styloid' or 'de Quervain's' to use M65.4.

Documentation specificity

Impact

Lack of specific anatomical details in documentation

Mitigation

Implement detailed documentation templates

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with M65.4.