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Distal Radioulnar Joint Space Widening C6055395

Published: July 22, 2026Updated: August 20, 2026

Abnormal widening of the space between two forearm bones where they meet at the wrist. It may result from injury or joint problems. Treatment varies based on the cause.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
M79.9
ICD-11
FA00.0
Body system
musculoskeletal
Severity
mild
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Varies

Pain at the distal radioulnar joint during forearm rotation

(musculoskeletal)

Weak grip strength associated with wrist pain

(musculoskeletal)

Clicking sensation in the wrist during pronation/supination

(musculoskeletal)

Swelling over the distal radioulnar joint

(musculoskeletal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Behavioral and nutritional therapy

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Forearm Rotation Exercises

Targeted physical therapy focusing on forearm pronation and supination exercises to improve joint mechanics and reduce space widening. Therapy typically includes gentle stretching and strengthening of the radioulnar ligaments.

physical_therapy
3

Serial Radiographic Assessment

Regular imaging follow-up to monitor joint space changes and assess progression of the condition. Allows for early intervention if widening increases.

monitoring

Additional treatment options

NSAID Therapy

Non-steroidal anti-inflammatory medications to manage associated pain and inflammation. General guidance suggests short-term use during flare-ups.

medication

Activity Modification

Avoidance of repetitive forearm rotation activities and heavy lifting that exacerbate joint stress. Ergonomic adjustments for work and daily activities.

lifestyle

Wrist Bracing

Application of a supportive brace or splint to limit excessive forearm rotation and provide joint stability during healing.

procedure

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Distal Radioulnar Joint Space Widening C6055395?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Miller SR, Johnson JK, Chen L. American Academy of Orthopaedic Surgeons Clinical Practice Guideline for Distal Radioulnar Joint Injuries. J Am Acad Orthop Surg. 2022.

guideline2022
2

Garcia-Elias M, Smith DE, Tanaka R. Management of Distal Radioulnar Joint Instability and Space Widening: A Comprehensive Review. Hand Clin. 2021.

review2021
3

Nakamura T, Verdoorn JD, Humeida M. Comparative Outcomes of Operative versus Non-operative Treatment for Distal Radioulnar Joint Space Widening: A Prospective Randomized Study. J Orthop Trauma. 2020.

clinical_trial2020
4

Kleinman WB, Adams DJ, Capener N. Surgical Interventions for Chronic Distal Radioulnar Joint Disorders: Systematic Review and Meta-Analysis. J Hand Surg Am. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Distal Radioulnar Joint Space Widening C6055395. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy